Basic Function Keys. Calculated Industries 4050
The Calculated Industries 4050 is a versatile construction calculator that can assist you with various tasks, including area, volume, and weight calculations, roof framing, stair layout, and more. It features dedicated keys for common construction functions, allowing for quick and accurate calculations. Additionally, it offers the ability to convert between different units of measurement, making it suitable for projects using both metric and imperial units.
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Pocket Reference Guide
Metric Edition
C
ONSTRUCTION
M
ASTER ™
5
FAST. ACCURATE. RELIABLE.
Model 4050
CONSTRUCTION MASTER TM 5
The Construction Master 5 (Model 4050) will help you save time, reduce costly errors and build like a pro!
Quickly Solve:
• Areas, Volumes and Weights
• Circle/Arc Calculations
• Common, Hip/Valley, Jack Rafter
Lengths (Regular and Irregular)
• Stair Layout Solutions
• Rake-Wall Solutions
• Concrete, Flooring Quantity
• Squaring-Up
• Dimensional Problems and Conversions
— Metric, Yards, Feet-Inches-Fractions
TABLE OF CONTENTS
GETTING STARTED .....................................1
Key Definitions ............................................1
Basic Function Keys .................................1
Dimension Keys ........................................2
Arc/Circle Keys .........................................3
Right Triangle/Roof Framing Keys ............3
Stair Layout Key ........................................5
Stair Settings .............................................6
Miscellaneous Functions ...........................6
Paperless Tape Example .............................8
Preference Settings .....................................9
Entering Dimensions .................................10
Entering Linear Dimensions ....................10
Entering Square/Cubic Dimensions ........11
Basic Math Operations ..............................12
USING THE
CONSTRUCTION MASTER TM 5 .................12
Adding and Subtracting
Strings of Dimensions ...............................12
Dividing Dimensions ..................................13
Rectangular Area and Volume ...................13
Entering Square and
Cubic and Adding A Waste Allowance .......13
Linear Conversions ...................................14
Weight Conversions ..................................14
Weight Per Volume ....................................15
Using the Memory .....................................16
Baluster Spacing .......................................17
Number of Studs .......................................18
Circle Area and Circumference .................18
Arc Angle or Degree ..................................19
Concrete Volume for Driveway ..................20
Concrete Columns .....................................20
Complex Concrete Volume ........................21
Right Angle / Framing ................................22
Squaring-Up a Foundation ......................23
Pitch — Converting Roof Angle ...............23
Converting Slope .......................................24
Common Rafter Length .............................24
Regular Hip/Valley
And Jack Rafters .......................................25
Irregular Hip/Valley ....................................26
Rake-Wall – No Base ................................26
Stairs .........................................................27
Stairs — Given Rise and Run .................27
Stairs — Given Rise Only........................28
Area and Volume Formulas .......................33
Area Formulas .........................................33
Volume Formulas ....................................33
APPENDIX ..................................................35
CONSTRUCTION MASTER TM 5
The Construction Master 5 (Model 4050) will help you save time, reduce costly errors and build like a pro!
Quickly Solve:
• Areas, Volumes and Weights
• Circle/Arc Calculations
• Common, Hip/Valley, Jack Rafter
Lengths (Regular and Irregular)
• Stair Layout Solutions
• Rake-Wall Solutions
• Concrete, Flooring Quantity
• Squaring-Up
• Dimensional Problems and Conversions
— Metric, Yards, Feet-Inches-Fractions
TABLE OF CONTENTS
GETTING STARTED .....................................1
Key Definitions ............................................1
Basic Function Keys .................................1
Dimension Keys ........................................2
Arc/Circle Keys .........................................3
Right Triangle/Roof Framing Keys ............3
Stair Layout Key ........................................5
Stair Settings .............................................6
Miscellaneous Functions ...........................6
Paperless Tape Example .............................8
Preference Settings .....................................9
Entering Dimensions .................................10
Entering Linear Dimensions ....................10
Entering Square/Cubic Dimensions ........11
Basic Math Operations ..............................12
USING THE
CONSTRUCTION MASTER TM 5 .................12
Adding and Subtracting
Strings of Dimensions ...............................12
Dividing Dimensions ..................................13
Rectangular Area and Volume ...................13
Entering Square and
Cubic and Adding A Waste Allowance .......13
Linear Conversions ...................................14
Weight Conversions ..................................14
Weight Per Volume ....................................15
Using the Memory .....................................16
Baluster Spacing .......................................17
Number of Studs .......................................18
Circle Area and Circumference .................18
Arc Angle or Degree ..................................19
Concrete Volume for Driveway ..................20
Concrete Columns .....................................20
Complex Concrete Volume ........................21
Right Angle / Framing ................................22
Squaring-Up a Foundation ......................23
Pitch — Converting Roof Angle ...............23
Converting Slope .......................................24
Common Rafter Length .............................24
Regular Hip/Valley
And Jack Rafters .......................................25
Irregular Hip/Valley ....................................26
Rake-Wall – No Base ................................26
Stairs .........................................................27
Stairs — Given Rise and Run .................27
Stairs — Given Rise Only........................28
Area and Volume Formulas .......................33
Area Formulas .........................................33
Volume Formulas ....................................33
APPENDIX ..................................................35
GETTING STARTED
KEY DEFINITIONS
Basic Function Keys
+-x
*=
Arithmetic operation keys.
0
-
9 and .
Keys used for entering numbers
O o
Q e
L
Off Key — Turns all power off, clearing all non-permanent registers.
On/Clear Key — Turns on power.
Pressing once clears the display.
Pressing twice clears all temporary values.
Convert Key — Used with the dimensional keys to convert between dimensions or with other keys to access special functions.
Square Root Key — Used to find the Square Root of a nondimensional or area value.
Recall Key — Used with other keys to recall stored values and settings.
N
Memory Key — Adds the displayed value to Memory. Clears when the calculator is shut off.
QN
Memory Minus (M–) — Clears
Memory without changing current display.
P ocket
R efeRence
G uide
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QL
Memory Clear (M-R/C) — Subtracts the displayed value from Memory.
LL
Memory Clear — Clears Memory and displays Memory Total.
Dimension Keys y
Yards Key — Enters or converts to Yards.
f i
/
Feet Key — Enters or converts to
Feet as whole or decimal numbers.
Also used with the i and / keys for entering Feet-Inch values
(e.g.,
6f9i1/2
).
Repeated presses during conversions toggle between
Fractional and Decimal Feet.
Inch Key — Enters or converts to Inches. Entry can be whole or decimal numbers. Also used with the / key for entering fractional inch values (e.g.,
9i1/2
).
Repeated presses during conversions toggle between
Fractional and Decimal Inches.
Fraction Bar Key — Used to enter
Fractions. Fractions can be entered as proper (1/2, 1/8, 1/16) or improper
(3/2, 9/8). If the denominator (bottom) is not entered, the calculator's fractional accuracy setting is automatically used.
P ocket
R efeRence
G uide
— 2
m c
M b
Meters Key — Enters or converts to Meters.
Centimeters Key — Enters or converts to Centimeters.
Millimeters Key — Enters or converts to Millimeters.
Board Feet Key — Enters or converts Cubic values to Board
Feet. One Board Foot is equal to 144
Cubic Inches.
w
Weight Key — Enters or converts
(a volume value) to Tons, Pounds,
Metric Tons or Kilograms.
Repeated presses will cycle through these units.
Arc/Circle Keys
C
Circle Key — Calculates Circle
Area and Circumference based on entered Diameter.
QC
Arc — Calculates Arc Length or
Degree, chord length, segment area, pie slice area, segment rise, and length of arched segment wall studs.
Right Triangle/Roof Framing Keys p
Pitch Key — This key is used to enter or calculate the Pitch (Slope) of a roof (or Right Triangle). Pitch is the amount of “Rise” over 12 Inches of “Run.” Pitch may be entered as:
P ocket
R efeRence
G uide
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m c
M b
Meters Key — Enters or converts to Meters.
Centimeters Key — Enters or converts to Centimeters.
Millimeters Key — Enters or converts to Millimeters.
Board Feet Key — Enters or converts Cubic values to Board
Feet. One Board Foot is equal to 144
Cubic Inches.
w
Weight Key — Enters or converts
(a volume value) to Tons, Pounds,
Metric Tons or Kilograms.
Repeated presses will cycle through these units.
Arc/Circle Keys
C
Circle Key — Calculates Circle
Area and Circumference based on entered Diameter.
QC
Arc — Calculates Arc Length or
Degree, chord length, segment area, pie slice area, segment rise, and length of arched segment wall studs.
Right Triangle/Roof Framing Keys p
Pitch Key — This key is used to enter or calculate the Pitch (Slope) of a roof (or Right Triangle). Pitch is the amount of “Rise” over 12 Inches of “Run.” Pitch may be entered as: a Dimension an Angle
25cp
30p a Ratio a Percentage
0.75Qp
75%p
A Pitch entry will remain in permanent storage until revised or reset. A solution will be replaced by its entered value once the calculator is cleared.
Qp
Enters Pitch Ratio
(e.g., .583Qp
).
r
Rise Key — Enters or calculates the Rise or vertical leg (height) of a
Right Triangle.
R d
Run Key — Enters or calculates the Run or horizontal leg (base) of a
Right Triangle.
Diagonal Key — Enters or calculates the common or Diagonal leg (Hypotenuse) of a Right Triangle.
Typical applications are “squaring” slabs or finding common rafter lengths.
H
Hip/Valley Key — Calculates length of the Regular or Irregular Hip/
Valley rafter.
QH
Irregular Pitch — Enters Irregular
Pitch used to calculate lengths of the
Irregular Hip/Valley and Jack rafters.
P ocket
R efeRence
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j
Jack Key — Calculates Jack rafter lengths on the Regular-pitched roof side.
Qj
Irregular Jack — Calculates Jack rafter lengths on the Irregularpitched roof side.
P
Rake-Wall Key — Finds the stud sizes based on entered Right
Triangle values and the stored
On-Center spacing. If a dimensional value is entered before pressing
P , that value is considered the base and will be added to the stud lengths.
Stair Layout Key s
Stair Key — Given Rise and/or
Run and entered/stored variables, calculates or displays:
PRESS RESULT
7
8
5
6
3
4
1
2
9
10
11
Riser Height
Number of Risers
Riser Overage/Underage
Tread Width
Number of Treads
Tread Overage/ Underage
Stringer Length
Angle of Incline
Stored Run
Stored Rise
Stored Desired Riser Height
P ocket
R efeRence
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j
Jack Key — Calculates Jack rafter lengths on the Regular-pitched roof side.
Qj
Irregular Jack — Calculates Jack rafter lengths on the Irregularpitched roof side.
P
Rake-Wall Key — Finds the stud sizes based on entered Right
Triangle values and the stored
On-Center spacing. If a dimensional value is entered before pressing
P , that value is considered the base and will be added to the stud lengths.
Stair Layout Key s
Stair Key — Given Rise and/or
Run and entered/stored variables, calculates or displays:
PRESS RESULT
7
8
5
6
3
4
1
2
9
10
11
Riser Height
Number of Risers
Riser Overage/Underage
Tread Width
Number of Treads
Tread Overage/ Underage
Stringer Length
Angle of Incline
Stored Run
Stored Rise
Stored Desired Riser Height
12 Riser Height 12 Stored Desired
Tread Width
STAIR DEFAULT VALUES
• 7-1/2” Desired Riser Height
• 10” Desired Tread Width
Stair Settings
You may set “desired Riser height” and
“desired Tread width” to any value by using the following keys:
Q7
Riser Height — Stores a desired
Riser height other than 7-1/2"
(default) . For example, enter
190 mm: 190M .
Q9
Tread Width — Stores a desired
Tread width other than 10" (default).
For example, enter 300 mm:
300M
.
Miscellaneous Functions
%
Percentage — Used to find a given percent of a number.
B
Backspace Key — Used to delete entries one keystroke at a time
(unlike the o function, which deletes the entire entry).
Q*
1/x — Finds the reciprocal of a number (e.g.,
8Q*
0.125).
Qx
Clear All — Returns all stored values to the default settings. (Does not affect Preference Settings.)
P ocket
R efeRence
G uide
— 6
Q-
Change Sign (+/-) — Toggle displayed value between negative and positive value.
Q+
Pi — Displays the value of π
(3.1415927).
Q> x 2 — Squares a linear or nondimensional value.
Q.
Total Cost — Based on entry of per unit cost.
Q0
Store Weight per Volume —
Stores a new Weight per Volume value as listed below:
Note: After entering a value and pressing the 0
Q0 , continue pressing
digit key until you’ve reached the desired Weight per Volume format. To recall your setting, press L0 .
• Ton Per CU YD
• LB Per CU YD
• LB Per CU FEET
• MET Ton Per CU M
• kG Per CU M
This value is stored until you change it or perform a Clear All (
Qx
).
Q5
On-center Spacing (o.c.) — Stores a new On-center spacing (e.g.,
400MQ5 ). The value is used for jack and rake wall stud calculations. Default is 16".
P ocket
R efeRence
G uide
— 8
Q=
Paperless Tape — Useful for checking figures, as it scrolls through your past 20 entries or calculations. Press L= to access
Paperless Tape mode. Press + or
-
to scroll forward or backward.
Press
=
to exit mode and continue with a new entry or calculation. See example below.
PAPERLESS TAPE EXAMPLE
Add 6 m, 5 m and 4 m, then access the paperless tape mode and scroll back through your entries. Then, back up one entry, exit the tape mode and add 10 Feet to the total.
KEYSTROKE oo
6m+
5m+
4m=
L=µ
+
+
+
-
=
+10m=
DISPLAY
0.
6.000 M
11.000 M
15.000 M
TTL 15.000
M
01 6.000
M
02 5.000
M
03 4.000
M
02 5.000
M
TTL 15.000
M
25.000
M
P ocket
R efeRence
G uide
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PREFERENCE SETTINGS
Press
Q
, then
%
, then keep pressing
% to toggle through the main settings. Press the + key to advance within sub-setting.
Use the
-
key to back up. Press o
key to exit Preferences.
PRESS Q AND: SETTING/FUNCTION
First press of % :
(Fractional
Resolution)
+
+
+
+
+
+
1/16
1/32
1/64
1/2
1/4
1/8
1/16 (repeats options)
Second press of % :
(Area Displays)
+
+
+
Std.
0. SQ FEET
0. SQ YD
0. SQ M
+
Std. (repeats options)
Third press of % :
(Volume Displays) Std.
+
+
0. CU YD
0. CU FEET
+
0. CU M
+ (repeats options) Std.
P ocket
R efeRence
G uide
— 10
PREFERENCE SETTINGS
Press
Q
, then
%
, then keep pressing
% to toggle through the main settings. Press the + key to advance within sub-setting.
Use the
-
key to back up. Press o
key to exit Preferences.
PRESS Q AND: SETTING/FUNCTION
First press of % :
(Fractional
Resolution)
+
+
+
+
+
+
1/16
1/32
1/64
1/2
1/4
1/8
1/16 (repeats options)
Second press of % :
(Area Displays)
+
+
+
Std.
0. SQ FEET
0. SQ YD
0. SQ M
+
Std. (repeats options)
Third press of % :
(Volume Displays) Std.
+
+
0. CU YD
0. CU FEET
+
0. CU M
+ (repeats options) Std.
Fourth press of
%
:
(Meter Linear
Displays)
+ (floating point)
+ (repeats options)
0.000 M
FLOAt
0.000
M
Fifth press of % :
(Decimal Degree
Displays) 0.00º
+
(floating point) FLOAt
+ (repeats options)
M
0.00º
Sixth press of % :
(Fractional Mode) Std.
+
COnSt
+ (repeats options) Std.
ENTERING DIMENSIONS
Entering Linear Dimensions
Examples of entering Linear Dimensions:
DIMENSION
Clear calculator
17.5 m
Clear calculator
100 cm
Clear calculator
500 mm
KEYSTROKE o
17.5m
o
100c o
500M
P ocket
R efeRence
G uide
— 10
Entering Square/Cubic Dimensions
Examples of entering Square and Cubic
Dimensions:
KEYSTROKE DISPLAY oo 0.
Enter numeric value and press desired unit key once to label value as “Linear:”
KEYSTROKE DISPLAY oo
100M
0.
100 MM
Enter numeric value and press desired unit key twice to label value as “Square:”
KEYSTROKE DISPLAY oo
100MM
0.
100 SQ MM
Enter numeric value and press desired unit key three times to label value as “Cubic:”
KEYSTROKE DISPLAY oo
100MMM
0.
100 CU MM
Note: If you pass the desired dimensional format, keep on pressing the dimensional unit key until the desired result is displayed again.
P ocket
R efeRence
G uide
— 12
Entering Square/Cubic Dimensions
Examples of entering Square and Cubic
Dimensions:
KEYSTROKE DISPLAY oo 0.
Enter numeric value and press desired unit key once to label value as “Linear:”
KEYSTROKE DISPLAY oo
100M
0.
100 MM
Enter numeric value and press desired unit key twice to label value as “Square:”
KEYSTROKE DISPLAY oo
100MM
0.
100 SQ MM
Enter numeric value and press desired unit key three times to label value as “Cubic:”
KEYSTROKE DISPLAY oo
100MMM
0.
100 CU MM
Note: If you pass the desired dimensional format, keep on pressing the dimensional unit key until the desired result is displayed again.
BASIC MATH OPERATIONS
Your calculator uses standard chaining logic, which simply means that you enter your first value, the operator ( + , , x , * ), the second value and then the Equals sign (
=
).
A.
B.
C.
D.
3
3
3
3
+
x
*
2
2
2
2
=
=
=
=
5.
1.
6.
1.5
This feature also makes the calculator simple to use for dimensional applications.
USING THE
CONSTRUCTION MASTER TM 5
ADDING AND SUBTRACTING
STRINGS OF DIMENSIONS
Add the following measurements:
• 850 mm
• 1.2 m
• 600 mm
Then subtract 175 mm.
KEYSTROKE
850M+
1.2m+
600M=
-175M=
DISPLAY
850. MM
2050.
MM
2650. MM
2475. MM
P ocket
R efeRence
G uide
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DIVIDING DIMENSIONS
Divide 4700 mm into thirds (divide by 3):
KEYSTROKE
4700M*3=
DISPLAY
1566.667 MM
RECTANGULAR AREA AND VOLUME
Find the area and volume:
• Length: 6200 mm
• Width: 3500 mm
• Height: 450 mm
First, multiply the Length times the Width to find the Area. Then, multiply the Area times the Height to find the Volume:
KEYSTROKE DISPLAY
6200Mx
3500Mx
450M=
6200.
MM
21.7 SQ M
9.765 CU M
ENTERING SQUARE AND CUBIC AND
ADDING A WASTE ALLOWANCE
Add a 10% waste allowance to 5200 sq mm.
Then add a 20% waste allowance to
4500 cu mm:
KEYSTROKE DISPLAY
5200MM+10% 5720. SQ MM
4500MMM+20%
5400. CU MM
P ocket
R efeRence
G uide
— 14
DIVIDING DIMENSIONS
Divide 4700 mm into thirds (divide by 3):
KEYSTROKE
4700M*3=
DISPLAY
1566.667 MM
RECTANGULAR AREA AND VOLUME
Find the area and volume:
• Length: 6200 mm
• Width: 3500 mm
• Height: 450 mm
First, multiply the Length times the Width to find the Area. Then, multiply the Area times the Height to find the Volume:
KEYSTROKE DISPLAY
6200Mx
3500Mx
450M=
6200.
MM
21.7 SQ M
9.765 CU M
ENTERING SQUARE AND CUBIC AND
ADDING A WASTE ALLOWANCE
Add a 10% waste allowance to 5200 sq mm.
Then add a 20% waste allowance to
4500 cu mm:
KEYSTROKE DISPLAY
5200MM+10% 5720. SQ MM
4500MMM+20%
5400. CU MM
LINEAR CONVERSIONS
Convert 3200 mm to other dimensions:
KEYSTROKE DISPLAY
3200M
Qc
Qm
Qf
Qi
Qy
*
*
3200 MM
320. CM
3.200 M
10 FEET 6 INCH
126
INCH
3.499563 YD
*Repeated presses of or Inches.
f or i will toggle between Feet-Inch-Fractions and Decimal Feet
WEIGHT CONVERSIONS
Convert 70 kilograms to other weights
(Pounds, Tons, Metric Tons):
KEYSTROKE DISPLAY oo
70wwww
Qw w
*
0.
70 kG
0.077162 Ton
154.3236 LB wµ
*Calculator may not display kilograms upon first press of w accessed last. So press displayed, then convert.
0.07 MET Ton
; it depends on which unit was w until desired unit is
P ocket
R efeRence
G uide
— 14
WEIGHT PER VOLUME
Note: The default setting for Weight per Volume is 1.5 Tons per Cubic Yard. If you are working with metric values, you can easily store a new Weight per Volume value.
Convert 20 Cubic Metres of concrete to Metric
Tonnes, Kilograms, Tons and Pounds, using the default value of 1.5 Tons per Cubic Yard:
KEYSTROKE DISPLAY
Qx
20mmm
ALL CLEArEd
20 CU M www
(Metric Tonnes) w w
(Kilograms)
(Tons)
35.59659 MET TON
35596.59
K G
39.23852 Ton
78477.04
LB w (Pounds)
Now convert the above, if concrete weighs
1.4 Tonnes per Cubic Metre, by storing a new
Weight per Volume value. Press the w key until the desired unit displays:
KEYSTROKE DISPLAY
1.4
Q0000
20mmm w
(Metric Tonnes)
@
1.4 MET Ton Per CU M
20 CU M w w w
(Kilograms)
(Tons)
28 MET TON
28000.
K G
30.86472 Ton
61729.43 LB
P ocket
R efeRence
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*Calculator will present values in a different order based on previous computation; simply continue to press w key until desired value is displayed.
USING THE MEMORY
Whenever the
N
key is pressed, the displayed value will be added to the Memory.
Other memory functions:
FUNCTION KEYSTROKE
Add to Memory
Subtract from Memory
Recall total in Memory
Display/Clear Memory
Clear Memory
N
QN
LN
LL
QL
When memory is recalled ( LN ), consecutive presses of N will display the calculated average and total count of the accumulated values.
Example:
KEYSTROKE
355N
255N
745QN
LN
N
N
LL
DISPLAY
M+ 355.
&
M+ 255.
&
M- 745.
&
TTL @ – 135.
&
AVG – 45.
&
CNT 3.
&
M+ – 135.
P ocket
R efeRence
G uide
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BALUSTER SPACING
You are going to install a handrail at the top of a balcony. Your total span is 4000 mm and you would like the space between the balusters to be about 100 mm. If each baluster is 40 mm wide, what is the exact spacing between each baluster?
KEYSTROKE DISPLAY
1. Divide Length by spacing: oo
4000M*
140M= * 28.57143
(29 balusters)
* Desired spacing plus baluster width
(100 mm plus 40 m)
0.
4000. MM
2. Find total space ‘occupied’ by the balusters by multiplying the width of each baluster by the rounded number of balusters:
40Mx
29=
40. MM
1160. MM
3. Find total space between all balusters:
4000M-
1160M=
4000. MM
2840. MM
4. Find actual baluster spacing by dividing total space between all balusters by the number of spaces between the balusters
(number of balusters plus one equals 30):
2840M* 2840. MM
30=
94.66667 MM
P ocket
R efeRence
G uide
— 18
BALUSTER SPACING
You are going to install a handrail at the top of a balcony. Your total span is 4000 mm and you would like the space between the balusters to be about 100 mm. If each baluster is 40 mm wide, what is the exact spacing between each baluster?
KEYSTROKE DISPLAY
1. Divide Length by spacing: oo
4000M*
140M= * 28.57143
(29 balusters)
* Desired spacing plus baluster width
(100 mm plus 40 m)
0.
4000. MM
2. Find total space ‘occupied’ by the balusters by multiplying the width of each baluster by the rounded number of balusters:
40Mx
29=
40. MM
1160. MM
3. Find total space between all balusters:
4000M-
1160M=
4000. MM
2840. MM
4. Find actual baluster spacing by dividing total space between all balusters by the number of spaces between the balusters
(number of balusters plus one equals 30):
2840M* 2840. MM
30=
94.66667 MM
NUMBER OF STUDS
Find the number of 400 mm On-center studs required for a wall measuring 7600 mm in length:
KEYSTROKE
1. Divide Length by spacing: oo
7600M*
400M=
2. Add one for the end:
+1=
Note: Also applies to trusses and joists.
DISPLAY
0.
7600. MM
19.
20.
CIRCLE AREA AND CIRCUMFERENCE
Find the area and circumference of a circle with a diameter of 625 mm:
KEYSTROKE oo
625MC
C
C
DISPLAY
0.
DIA 625. MM
AREA 306796.
16 SQ MM
CIRC 1963.495 MM
P ocket
R efeRence
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ARC ANGLE OR DEGREE
Find the Arc Angle (or Degree of Arc), given a 1500 mm Diameter and an Arc Length of
900 mm:
900 mm
(Arc Length) d = 1500 mm
(Diameter)
KEYSTROKE DISPLAY
1. Enter Circle diameter and Arc length: oo
1500MC
900M
0.
DIA 1500. MM
900 MM
2. Find Degree of Arc:
QC
ARC 68.75°
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ARC ANGLE OR DEGREE
Find the Arc Angle (or Degree of Arc), given a 1500 mm Diameter and an Arc Length of
900 mm:
900 mm
(Arc Length) d = 1500 mm
(Diameter)
KEYSTROKE DISPLAY
1. Enter Circle diameter and Arc length: oo
1500MC
900M
0.
DIA 1500. MM
900 MM
2. Find Degree of Arc:
QC
ARC 68.75°
CONCRETE VOLUME FOR DRIVEWAY
Calculate the cubic meters of concrete required to pour a driveway that measures: 14 m long x 4 m wide x 125 mm deep. If concrete is $65 per cubic meter, what will it cost?
KEYSTROKE oo
14m x4m x125M= x65Q.
(Cost)
DISPLAY
0.
14 M
4 M
7. CU M
$455.
00
CONCRETE COLUMNS
You’re going to pour three columns, each of which has a Diameter of 1600 mm and a height of 3000 mm. How many Cubic Metres of concrete will you need for all three Columns?
KEYSTROKE DISPLAY oo 0.
1. Enter the Diameter of a Circle:
1600MC DIA 1600. MM
2. Find the Surface Area of a Circle:
C
DIA 2010619 .30 SQ MM
3. Find total volume: x3000M= x3=
COL 6.031858 CU M
18.09557
CU M
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COMPLEX CONCRETE VOLUME
You’re going to pour an odd-shaped patio 115 mm deep with the dimensions shown below.
First, calculate the total Area (by dividing the drawing into three individual rectangles) and then determine the total Yards of concrete required for this job.
8.7 m
A
B
2.6 m
C
2.75 m
KEYSTROKE DISPLAY
Clear the calculator
Qx ALL CLEArEd
1. Find Area of Part “A” and add to Memory:
11.6m-1.8m= x8.7m=
9.800
M
85.26 SQ M n
M+ 85.26 SQ M &
2. Find Area of Part “B” and add to Memory:
1.8m
1.8 M &
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x2.6m= n
4.68 SQ M &
M+ 4.68 SQ M &
3. Find Area of Part “C” and add to Memory:
2.75m
2.75 M & x2.9m= n
LL
7.975 SQ M &
M+ 7.975 M &
4. Recall and Clear Total Area Stored in
Memory:
M+ 97.915 SQ M
5. Find Total Cubic Yards: x115M=
11.26023 CU M
RIGHT ANGLE / FRAMING
The top row of keys provides you with built-in solutions to Right Triangles. The solutions are available in any of the linear dimensions offered on the calculator. Thus, you can solve
Right Triangles directly in Feet and Inches,
Decimal Feet, Meters, etc.
Any value of a Right Triangle can be found given two of the four variables: 1) Rise, 2)
Run, 3) Diagonal or 4) Pitch.
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Squaring-Up a Foundation
Squ are
-Up
(Dia gon al)
4.75 m
Square-Up 4.75 m (Run) x 3.1 m (Rise):
KEYSTROKE oo
4.75mR
3.1mr
d
DISPLAY
0.
RUN 4.750 M
RISE 3.100 M
DIAG 5.672 M
PITCH — CONVERTING ROOF ANGLE
Find the % Grade, Slope and Pitch in mm if the roof angle is 30.25°:
KEYSTROKE oo
30.25p
p p p
M
DISPLAY
0.
PTCH 30.25°
%GRD 58.31828
SLP 0.583183
PTCH 7 INCH
177.7541 MM
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Squaring-Up a Foundation
Squ are
-Up
(Dia gon al)
4.75 m
Square-Up 4.75 m (Run) x 3.1 m (Rise):
KEYSTROKE oo
4.75mR
3.1mr
d
DISPLAY
0.
RUN 4.750 M
RISE 3.100 M
DIAG 5.672 M
PITCH — CONVERTING ROOF ANGLE
Find the % Grade, Slope and Pitch in mm if the roof angle is 30.25°:
KEYSTROKE oo
30.25p
p p p
M
DISPLAY
0.
PTCH 30.25°
%GRD 58.31828
SLP 0.583183
PTCH 7 INCH
177.7541 MM
CONVERTING SLOPE
Find the Pitch in Inches and convert to mm,
Pitch Degrees, and Percent Grade if the slope is 0.625:
KEYSTROKE oo
.625Qp
p
M p p
(Slope)
DISPLAY
0.
SLP 0.625
PTCH 7-1/2
INCH
190.5
MM
PTCH 32.01°
%GRD 62.5
COMMON RAFTER LENGTH
Find the point-to-point length of the Common rafter on a 175 mm pitched roof with a span of
8500 mm. What are the angle cuts?
KEYSTROKE DISPLAY oo
8500M*2=
R
0.
1. Enter Pitch:
175Mp
PTCH 175. MM
2. Enter half the span as the run:
4250. MM
RUN 4250. MM
3. Find the Rise: r
RISE 2440.125 MM
4. Find the Length of the Common rafter: d
DIAG 4900.684 MM
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REGULAR HIP/VALLEY
AND JACK RAFTERS
A roof’s Pitch is 225 mm and half the total span is 1800 mm. Find the lengths of the
Common, Hip/Valley and Jack rafters. Also find the incremental jack adjustment and the cut angles. (Jack rafters at 400 mm Oncenter spacing.)
400 mm
KEYSTROKE DISPLAY oo
1800MR
0.
1. Find the Common rafter length:
RUN 1800. MM
225Mp d (Common)
2. Enter On-Center spacing
PTCH 225. MM
DIAG 2237.309
MM
400MQ5 (o.c.) OC
@
400. MM
3. Find the Hip/Valley rafter length and cut angles; then the incremental jack adjustment, Jack rafter lengths and cut angles:
H j
H/V 2871.507 MM
JKOC
@
400 M j j j j j
JK 1 1740.129 MM
JK 2 1242.949 MM
JK 3 745.7696 MM
JK 4 248.5899 MM
JK 5 0. MM
IRREGULAR HIP/VALLEY
A roof has a 225 mm Pitch, an irregular Pitch of 300 mm, and half the span is 2000 mm.
Solve the Hip/Valley length. On-center spacing is 400 mm.
KEYSTROKE DISPLAY oo
2000MR
0.
1. Find Common rafter length:
225Mp
PTCH 225. MM
RUN 2000.
MM d DIAG 2485.899 MM
2. Enter On-center spacing and irregular Pitch; find irregular Hip rafter:
400MQ5
(o.c.) OC
@
400. MM
300M
QH (lr/Pitch)
M
H
IPCH 7-7/8 INCH
300. MM
IH/V 2903.393 MM
RAKE-WALL – NO BASE
Find each stud size in a Rake-Wall with a peak of 1000 mm, and a length of 1500 mm.
Use 400 mm as your On-center spacing:
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REGULAR HIP/VALLEY
AND JACK RAFTERS
A roof’s Pitch is 225 mm and half the total span is 1800 mm. Find the lengths of the
Common, Hip/Valley and Jack rafters. Also find the incremental jack adjustment and the cut angles. (Jack rafters at 400 mm Oncenter spacing.)
400 mm
KEYSTROKE DISPLAY oo
1800MR
0.
1. Find the Common rafter length:
RUN 1800. MM
225Mp d (Common)
2. Enter On-Center spacing
PTCH 225. MM
DIAG 2237.309
MM
400MQ5 (o.c.) OC
@
400. MM
3. Find the Hip/Valley rafter length and cut angles; then the incremental jack adjustment, Jack rafter lengths and cut angles:
H j
H/V 2871.507 MM
JKOC
@
400 M j j j j j
JK 1 1740.129 MM
JK 2 1242.949 MM
JK 3 745.7696 MM
JK 4 248.5899 MM
JK 5 0. MM
IRREGULAR HIP/VALLEY
A roof has a 225 mm Pitch, an irregular Pitch of 300 mm, and half the span is 2000 mm.
Solve the Hip/Valley length. On-center spacing is 400 mm.
KEYSTROKE DISPLAY oo
1. Find Common rafter length:
225Mp
2000MR find irregular Hip rafter:
400MQ5
(o.c.)
PTCH 225. MM
RUN 2000.
MM d DIAG 2485.899 MM
2. Enter On-center spacing and irregular Pitch;
OC
@
400.
0.
MM
300M
QH (lr/Pitch)
M
H
IPCH 7-7/8 INCH
300. MM
IH/V 2903.393 MM
RAKE-WALL – NO BASE
Find each stud size in a Rake-Wall with a peak of 1000 mm, and a length of 1500 mm.
Use 400 mm as your On-center spacing:
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KEYSTROKE DISPLAY oo
1500MR
0.
1. Enter Rise and Run:
1000Mr
RISE 1000. MM
RUN 1500. MM
2. Find stud lengths: q q q q
RWOC
@
400 MM
RW 1 733.3333 MM
RW 2 466.6667 MM
RW 3 200.
MM q
3. Find Rake-Wall angle of incline:
BASE 0. MM q RW 33.69°
STAIRS
Stairs — Given Rise and Run
You’re going to build a stairway that has a floor-to-floor height of 3100 mm, a run of 3800 mm, and a desired riser height of 200 mm.
Find the stair values:
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KEYSTROKE DISPLAY oo
1500MR
0.
1. Enter Rise and Run:
1000Mr
RISE 1000. MM
RUN 1500. MM
2. Find stud lengths: q q q q
RWOC
@
400 MM
RW 1 733.3333 MM
RW 2 466.6667 MM
RW 3 200.
MM q
3. Find Rake-Wall angle of incline:
BASE 0. MM q RW 33.69°
STAIRS
Stairs — Given Rise and Run
You’re going to build a stairway that has a floor-to-floor height of 3100 mm, a run of 3800 mm, and a desired riser height of 200 mm.
Find the stair values:
KEYSTROKE DISPLAY
1. Enter Rise and Run: oo
3100Mr
3800MR
RUN 3800. MM
2. Enter 200 mm desired riser height, then find the stair values:
0.
RISE 3100. MM
200M
Q7 (Riser Ht) s s s s s s s s
R-HT @ 200. MM
R-HT 194. MM
RSRS 16.
R+/– 4. MM
T-WD 253. MM
TRDS 15.
T+/– -5. MM
STRG 4782.272 MM
INCL 37.48°
Stairs — Given Rise Only
You’re building a stairway with a total rise of
3000 mm. Using the default riser height of
200 mm and tread width of 250 mm, find the stair values:
KEYSTROKE DISPLAY
1. Enter Rise and Run: oo
3000Mr
0.
RISE 3000. MM
2. Enter desired stair riser height:
(cont’d)
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(cont’d)
KEYSTROKE DISPLAY
200M
Q7 (Riser Ht) R-HT @ 200. MM
3. Enter desired stair tread width:
250M
Q9 (Tread W)
4. Find stair values: s
T-WD
@
250. MM s s s s s s s
R-HT 200. MM
RSRS 15.
R+/– 0. MM
T-WD @ 250. MM
TRDS 14.
T+/– 0. M
STRG 4482.187 MM
INCL 38.66°
APPENDIX
DEFAULT SETTINGS
After a Clear All ( Qx ), your calculator will return to the following settings:
STORED VALUES DEFAULT VALUE
Stair Riser Height
Stair Tread Width
On-center Spacing
Weight per Volume
7-1/2 Inch
10 Inch
16 Inch
1.5 Tons/Cu Yd
If you replace your battery or perform a
Full Reset* (press O , hold down x and press o ), your calculator will return to the following settings (in addition to those above):
PREFERENCE SETTINGS DEFAULT VALUE
Fractional Resolution
Area Display
Volume Display
Meter Linear Display
1/64
Standard
Standard
0.000
Decimal Degree Display
Fractional Mode
0.00°
Standard
*Depressing the Reset button located above the p key will also perform a Full Reset.
AUTO SHUT-OFF
Your calculator will shut itself off after about
8-12 minutes of non-use.
ACCURACY/ERRORS
Accuracy/Display Capacity
Your calculator has a twelve digit display.
This is made up of eight digits (normal display) and four fractional digits. You may enter or calculate values up to
19,999,999.99. Each calculation is carried out internally to twelve digits.
Errors
When an incorrect entry is made, or the answer is beyond the range of the calculator, it will display the word “ERROR.” To clear an error condition you must hit the o button once.
(cont’d)
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KEYSTROKE DISPLAY
200M
Q7 (Riser Ht) R-HT @ 200. MM
3. Enter desired stair tread width:
250M
Q9 (Tread W)
4. Find stair values: s
T-WD
@
250. MM s s s s s s s
R-HT 200. MM
RSRS 15.
R+/– 0. MM
T-WD @ 250. MM
TRDS 14.
T+/– 0. M
STRG 4482.187 MM
INCL 38.66°
APPENDIX
DEFAULT SETTINGS
After a Clear All ( Qx ), your calculator will return to the following settings:
STORED VALUES DEFAULT VALUE
Stair Riser Height
Stair Tread Width
On-center Spacing
Weight per Volume
7-1/2 Inch
10 Inch
16 Inch
1.5 Tons/Cu Yd
If you replace your battery or perform a
Full Reset* (press O , hold down x and press o ), your calculator will return to the following settings (in addition to those above):
PREFERENCE SETTINGS DEFAULT VALUE
Fractional Resolution
Area Display
Volume Display
Meter Linear Display
1/64
Standard
Standard
0.000
Decimal Degree Display
Fractional Mode
0.00°
Standard
*Depressing the Reset button located above the p key will also perform a Full Reset.
AUTO SHUT-OFF
Your calculator will shut itself off after about
8-12 minutes of non-use.
ACCURACY/ERRORS
Accuracy/Display Capacity
Your calculator has a twelve digit display.
This is made up of eight digits (normal display) and four fractional digits. You may enter or calculate values up to
19,999,999.99. Each calculation is carried out internally to twelve digits.
Errors
When an incorrect entry is made, or the answer is beyond the range of the calculator, it will display the word “ERROR.” To clear an error condition you must hit the o button once.
(cont’d)
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(cont’d)
At this point you must determine what caused the error and re-key the problem.
Error Codes
OFLO Overflow (too large)
DIV Error Divide by 0
DIM Error Dimension error
None
Attempt to calculate stairs without entering Rise and Run
Auto-Range
If an “overflow” is created because of an input and calculation with small units that are out of the standard range of the display, the answer will be automatically expressed in the next larger units (instead of showing
“ERROR”) — e.g., 20,000,000 mm is shown as 20,000 M
. Also applies to Inches,
Feet and Yards.
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BATTERY
This model uses one (1) CR2016 battery
(included). This should last approximately
800 hours of actual use (1 year plus for most people). Should your calculator display become very dim or erratic, replace the battery.
While the calculator is off, turn the calculator over and use a #1 Phillips screwdriver to remove the battery holder screw located near the center at the top. With the screw removed, pull battery holder out, remove old battery, and slide new battery into holder.
The negative side of the battery should be facing you as you insert the battery holder into the calculator. Replace screw using a #1
Phillips screwdriver.
Note: Please use caution when disposing of your old batteries as they contain hazardous chemicals.
Replacement batteries are available at most discount or electronics stores. You may also call Calculated Industries at
1-775-885-4900.
RESET
If your calculator should ever “lock up,” press
Reset – a small hole located below the p key – to perform a total reset.
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AREA AND VOLUME FORMULAS
Area Formulas
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AREA AND VOLUME FORMULAS
Area Formulas
Volume Formulas
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REPAIR AND RETURN
RETURN GUIDELINES
1. Please read the Warranty in this User’s
Guide to determine if your Calculated
Industries product remains under warranty before calling or returning any device for evaluation or repairs.
2. If your product won’t turn on, check the battery as outlined in the User’s Guide.
3. If you need more assistance, please go to the website listed below.
4. If you believe you need to return your product, please call a Calculated Industries representative between the hours of 7 a.m. and 4 p.m. Pacific Time for additional information and a Return Merchandise
Authorization (RMA).
Call Toll Free: 1-800-854-8075
Outside USA: 1-775-885-4900 www.calculated.com/warranty
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REPAIR AND RETURN
RETURN GUIDELINES
1. Please read the Warranty in this User’s
Guide to determine if your Calculated
Industries product remains under warranty before calling or returning any device for evaluation or repairs.
2. If your product won’t turn on, check the battery as outlined in the User’s Guide.
3. If you need more assistance, please go to the website listed below.
4. If you believe you need to return your product, please call a Calculated Industries representative between the hours of 7 a.m. and 4 p.m. Pacific Time for additional information and a Return Merchandise
Authorization (RMA).
Call Toll Free: 1-800-854-8075
Outside USA: 1-775-885-4900 www.calculated.com/warranty
WARRANTY
Calculated Industries (“CI”) warrants this product against defects in materials and workmanship for a period of one (1) year from the date of original consumer purchase. If a defect exists during the warranty period, CI, at its option, will either repair (using new or remanufactured parts) or replace (with a new or remanufactured calculator) the product at no charge.
THE WARRANTY WILL NOT APPLY
TO THE PRODUCT IF IT HAS BEEN
DAMAGED BY MISUSE, ALTERATION,
ACCIDENT, IMPROPER HANDLING OR
OPERATION, OR IF UNAUTHORIZED
REPAIRS ARE ATTEMPTED OR MADE.
SOME EXAMPLES OF DAMAGES NOT
COVERED BY WARRANTY INCLUDE,
BUT ARE NOT LIMITED TO, BATTERY
LEAKAGE, BENDING, A “BLACK INK SPOT”
OR VISIBLE CRACKING OF THE LCD,
WHICH ARE PRESUMED TO BE DAMAGES
RESULTING FROM MISUSE OR ABUSE.
To obtain warranty service in the U.S., please go the www.calculated.com.
A repaired or replacement product assumes the remaining warranty of the original product or 90 days, whichever is longer.
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Non-Warranty Repair Service — U.S.A.
Non-warranty repair covers service beyond the warranty period, or service requested due to damage resulting from misuse or abuse.
Contact Calculated Industries at 1-775-
885-4900 to obtain current product repair information and charges. Repairs are guaranteed for 90 days.
Repair Service — Outside the U.S.A.
To obtain warranty or non-warranty repair service for goods purchased outside the
U.S., contact the dealer through which you initially purchased the product. If you cannot reasonably have the product repaired in your area, you may contact CI to obtain current product repair information and charges, including freight and duties.
Disclaimer
CI MAKES NO WARRANTY OR
REPRESENTATION, EITHER EXPRESS
OR IMPLIED, WITH RESPECT TO THE
PRODUCT’S QUALITY, PERFORMANCE,
MERCHANTABILITY, OR FITNESS FOR A
PARTICULAR PURPOSE. AS A RESULT,
THIS PRODUCT, INCLUDING BUT NOT
LIMITED TO, KEYSTROKE PROCEDURES,
MATHEMATICAL ACCURACY AND
PREPROGRAMMED MATERIAL, IS SOLD
“AS IS,” AND YOU THE PURCHASER
ASSUME THE ENTIRE RISK AS TO ITS
QUALITY AND PERFORMANCE.
IN NO EVENT WILL CI BE LIABLE FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
OR CONSEQUENTIAL DAMAGES
RESULTING FROM ANY DEFECT IN THE
PRODUCT OR ITS DOCUMENTATION.
The warranty, disclaimer, and remedies set forth above are exclusive and replace all others, oral or written, expressed or implied. No CI dealer, agent, or employee is authorized to make any modification, extension, or addition to this warranty.
Some states do not allow the exclusion or limitation of implied warranties or liability for incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific rights, and you may also have other rights, which vary from state to state.
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Non-Warranty Repair Service — U.S.A.
Non-warranty repair covers service beyond the warranty period, or service requested due to damage resulting from misuse or abuse.
Contact Calculated Industries at 1-775-
885-4900 to obtain current product repair information and charges. Repairs are guaranteed for 90 days.
Repair Service — Outside the U.S.A.
To obtain warranty or non-warranty repair service for goods purchased outside the
U.S., contact the dealer through which you initially purchased the product. If you cannot reasonably have the product repaired in your area, you may contact CI to obtain current product repair information and charges, including freight and duties.
Disclaimer
CI MAKES NO WARRANTY OR
REPRESENTATION, EITHER EXPRESS
OR IMPLIED, WITH RESPECT TO THE
PRODUCT’S QUALITY, PERFORMANCE,
MERCHANTABILITY, OR FITNESS FOR A
PARTICULAR PURPOSE. AS A RESULT,
THIS PRODUCT, INCLUDING BUT NOT
LIMITED TO, KEYSTROKE PROCEDURES,
MATHEMATICAL ACCURACY AND
PREPROGRAMMED MATERIAL, IS SOLD
“AS IS,” AND YOU THE PURCHASER
ASSUME THE ENTIRE RISK AS TO ITS
QUALITY AND PERFORMANCE.
IN NO EVENT WILL CI BE LIABLE FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
OR CONSEQUENTIAL DAMAGES
RESULTING FROM ANY DEFECT IN THE
PRODUCT OR ITS DOCUMENTATION.
The warranty, disclaimer, and remedies set forth above are exclusive and replace all others, oral or written, expressed or implied. No CI dealer, agent, or employee is authorized to make any modification, extension, or addition to this warranty.
Some states do not allow the exclusion or limitation of implied warranties or liability for incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific rights, and you may also have other rights, which vary from state to state.
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FCC CLASS B
This equipment has been certified to comply with the limits for a Class B calculating device,
.
pursuant to Subpart J of Part 15 of FCC rules
LOOKING FOR NEW IDEAS
Calculated Industries, a leading manufacturer of special-function calculators and digital measuring instruments, is always looking for new product ideas in these areas.
If you have a new product idea, please visit our “Bright Idea” page at www.calculated.
com/brightidea.asp. For suggestions about improving this product or other products, please visit us at www.calculated.com under
“Contact Us.” Thank you.
4840 Hytech Drive
Carson City, NV 89706 U.S.A.
1-800-854-8075
Fax: 1-775-885-4949
E-mail: [email protected]
www.calculated.com
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FCC CLASS B
This equipment has been certified to comply with the limits for a Class B calculating device,
.
pursuant to Subpart J of Part 15 of FCC rules
LOOKING FOR NEW IDEAS
Calculated Industries, a leading manufacturer of special-function calculators and digital measuring instruments, is always looking for new product ideas in these areas.
If you have a new product idea, please visit our “Bright Idea” page at www.calculated.
com/brightidea.asp. For suggestions about improving this product or other products, please visit us at www.calculated.com under
“Contact Us.” Thank you.
4840 Hytech Drive
Carson City, NV 89706 U.S.A.
1-800-854-8075
Fax: 1-775-885-4949
E-mail: [email protected]
www.calculated.com
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Designed in the United States of America.
Printed in The Philippines.
PRG4050ME-B
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