Sharp EL-9900 User Manual
Page 50
40
Chapter 3: Basic Calculations — Basic Keyboard
r
Recalls a variable.
Example
• Set C = 8.
8
R A C E
Recall the value of C.
@ r A C E
z
Accesses the VARS menu. Refer to chapters 4 and 6 to learn how
to use each item in this menu.
{ }
Enter braces to group numbers as a list.
b
Recalls the previous answer. Use this key to incorporate the
answer to the previous calculation into an expression.
Example
• Perform 3
×
3.
3
| 3 E
Subtract the value of the
previous answer from “10”.
1 0
- @ b E
Note:
b can be considered as a variable; its value is automatically
set when
E is pressed. If b is not empty, then pressing
+, -, |, or = will recall “Ans” and places it at
the beginning of an expression. If “1” was the previous answer,
then pressing
+ 4 E will result in “5”.