advertisement
Chapter 5 Table and Graph
To enter the Table Mode, press m to display the Main Menu, use the cursor keys to select the TABLE icon, and then press w .
74
This is the initial Table Mode screen. To generate a table, you must first specify the variable range.
P.8
P.52
The menu at the bottom of the display looks like the one shown here when the Var item of the set-up screen is set to a list name (indicating that variable values should be obtained from a list).
1. Storing a Function
Example To store the function y = 3 x 2 – 2 in memory area Y1
Use f and c to move the highlighting in the TABLE Mode function list to the memory area where you want to store the function. Next, input the function and press w to store it.
2. Deleting a Function
Use f and c to move the highlighting to the memory area that contains the function you want to delete.
Press 2 (DEL).
Press 1 (YES) to delete the selected function or 4 (NO) to abort the delete operation without deleting anything.
The procedures for storing and deleting functions are identical to those used in the
GRAPH Mode.
3. Assigning Values to a Variable
You can use either one of two methods to assign values to a variable: automatic assignment within a specified range, and assignment of values from a list. The standard default method is automatic assignment within a specified range.
Table and Graph Chapter 5 u
To assign values automatically within a specified range
Example To assign values from –3 to 3, in increments of 1 (seven values total)
3 (RANG)
d w d w b w
Strt: ................. Variable x start value
End: ................ Variable x end value ptch: ................ Variable x value change
To interrupt automatic assignment of variables and return to the function storage screen, press Q .
u
To assign values from a list
Press !
Z to display the set-up screen.
!Z
If necessary, you can press [ to display a menu of other lists (4, 5, 6). The following shows the operation required to select List 6.
[ 3 (List6)
1 2 3 4
After making the set-up screen setting you want, press Q to return to the Function
List. Note that the [RANG] item does not appear in the function key menu at the bottom of the screen when a list is selected for assignment of variable values.
75
advertisement