Casio FX-85ES PLUS

Standard Models
fx-82ES PLUS fx-85ES PLUS fx-350ES PLUS fx-95ES PLUS fx-570ES PLUS fx-991ES PLUS
Number of functions
Power supply (Main)
Power supply (Backup)
Approximate battery life Main (hours)
Approximate battery life Backup (years)
Dimensions H×W×D(mm)
Specifications Approximate weight (g)
Case style
Dot matrix display
Programming
Functions
Utilities
Special
Features
CAS
Basic
Functions
Calculus
Algebra
Geometry
Probability
Statistics
Display capacity (characters)
Mantissa + exponent digits
Icon menus
Internal operation digits
Nested parentheses levels
Program logic
Memory (bytes)
Program areas
Storage memory area (Flash memory)
Built-in formulas
Natural textbook display / NATURAL-V.P.A.M.
Key rollover function
Replay function
Multi-replay functions
Replay copy
Backspace
CALC function
SOLVE function
Answer function
Variables
Onboard function manual
Syntax help
Auto power off
Base-n calculations (Binary/Octal/Hexadecimal)
Logical operations
Engineering symbol calculations
Engineering notation (ENG/ENG)
Scientific constants
Metric conversions
Computer Algebra System
Trigonometric, inverse trigonometric (sin/cos/tan/sin–1/cos–1/tan–1)
Hyperbolic, inverse hyperbolic (sinh/cosh/tanh/sinh–1/cosh–1/tanh–1)
x
x
Exponential, logarithmic (log, ln, 10 , e )
Base specified logarithmic
y
Power and radical root ( x / x )
Fraction
Percentage calculation (%)
Rounding
Simplification
Integer division
GCD/LCM
Sexagesimal ↔ decimal
Display format (FIX, SCI)
Angle unit (Deg, Rad, Grad)
Angle unit conversion (Deg, Rad, Grad)
Factorization into prime factors
Ratio calculation
Differentiation calculation
Integration calculation
Simultaneous equation
Polynomial equation
Inequality calculation
Table function
Matrix calculations
Complex number calculation
Geometry Application
Coordinate conversion (Pol, Rec)
Vector calculations
Combination, permutation (nCr, nPr)
Random numbers
Random integers
List-based STAT data editor
Standard deviation
Regression analysis
Linear regression
ab Exponential regression
Advanced statistics
Other regressions
Finance
Spreadsheet
Others
Financial function
Spreadsheet
eActivity
Data communication
Others
1
fx-82ES
fx-85ES
fx-350ES
fx-500ES
fx-991ES
fx-570ES
252
252
252
274
417
417
249
249
249
253
403
403
Two-way power
Two-way power
Two-way power
Two-way power
AAA × 1 (R03)
AAA × 1 (LR03)
AAA × 1(R03)
AAA × 1 (R03)
AAA × 1 (R03)
AAA × 1 (LR03)
AAA × 1 (R03)
AAA × 1 (R03)
(Solar + LR44 × 1)
(Solar + LR44 × 1)
(Solar + LR44 × 1)
(Solar + LR44 × 1)
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3 years
3 years
3 years
3 years
17,000* 3
17,000* 3
8,700* 1
17,000* 3
17,000* 3
17,000*3
8,700* 1
17,000* 3
2
2
2
2
(LR44)*
(LR44)*
(LR44)*
(LR44)*
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13.8 × 80 × 162 11.1 × 80 × 162 13.8 × 80 × 162 13.8 × 80 × 162 13.8 × 80 × 162 11.1 × 80 × 162 13.7 × 80 × 161 12.2 × 80 × 161 13.7 × 80 × 161 13.7 × 80 × 161 12.2 × 80 × 161 13.7 × 80 × 161
105
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100
95
100
100
100
95
110
105
110
110
Slide-on hard Slide-on hard Slide-on hard Slide-on hard Slide-on hard Slide-on hard Slide-on hard Slide-on hard Slide-on hard Slide-on hard Slide-on hard Slide-on hard
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
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● (Degree 2, 3) ● (Degree 2, 3) ● (Degree 2, 3)
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* Continuous operation (assuming 5 minutes calculation and 55 minutes display per hour) * 1 hour use per day * Continuous display of flashing cursor
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● (Degree 2, 3) ● (Degree 2, 3) ● (Degree 2, 3)
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