PASCO Xplorer-GLX Users’ Guide - Manual (Page 49)

X p l o r e r G L X U s e r s ’ G u i d e 43
When there is more than one definition for the same symbol, the calculator
uses the first definition. To avoid confusion, do not define a symbol more
than once. If you want to change the value of a symbol, use the arrow keys to
go back to the original definition and change it.
• When you are prompted for the value of a symbol, you can enter another
expression rather than a simple number. Type:
5
b + 3
When prompted for the value of b, enter:
1 + 1
The Calculator displays the value of b at the bottom of the screen and fills in
the result of b + 3 on the line above.
• Rather than a simple expression, you can enter a complete equation for the
Calculator to evaluate. Enter:
6
z = y * 2
When prompted for the value of y, enter:
4
The Calculator indicates the value of y at the bottom of the screen. To see the
value of z at the bottom of the screen, use the up arrow key to put the cursor
on the definition of z.
Reposition the cursor to see the value of z
Do not
do this
5 For the b symbol, press twice
and select it from the second Functions
menu.
F2
Calculator fills in result
Value of b
6 For the z or y symbol, press
twice and select it from the second
Functions menu.
F2
Value of y
Cursor
Value of z
Cursor