Sharp EL-5230 Calculator User Manual


 
29
•You do not need to enter an alphabetic character. Just specify the
named local variable using a number from 0 to 8, or move the arrow
to the appropriate variable the press e.
5. Press @ v 0 e.
The value of VAR 0 will be recalled.
Alternatively you can recall a variable by
moving the arrow to it then press e
twice.
Note:
•You can change the name of a local variable by overwriting it in the VAR
menu. The cursor appears when r is pressed in the VAR menu.
Local variables not stored using the filing equations function will be
deleted by mode selection or memory clear operation (@ P
1 y).
Local and global variables will be cleared by creating a new program,
and editing and running a program.
Using variables in an equation or a program
Both global and local variables can be used directly in an equation or a
program. Local variables are useful when you need to use variables such as
X1 and X2 at the same time in another equation. The local variable names
and their values can be saved in each equation. (See page 58.)
Example
Using A (6) and A1 (0.0000125) from the last two examples, solve the
expression.
1
A1
– 1000A
1. Press j 1 k.
Start entering the expression.
2. Press @ v.
3. Press 0 - 1000 ; A e.
The display returns automatically to the
previous screen after you have chosen
the local variable, and you can continue
to enter the expression.
•You do not need k if you use a
variable. However, the variable must be
a multiplier.
Chapter 2: General Information
NORMAL MODE
0.
1ı_
0.0000125
A1=
0.0000125
¬ƒA¡ ‹ fl
⁄ › ‡
¤ fi °
0.
1ıA¡-1000A=
74000.