Casio fx-115ES PLUS Quick Start Manual - Page 5

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Casio fx-115ES PLUS Quick Start Manual
Calculating Expressions:
The
r
key allows you to enter an expression with
variables, assign values for each variable and then
automatically calculate the expression, without having to
store values for the variable first.
1. Enter the expression, 3A + B, by pressing
3Qz+Qx.
2. Press r.
3. Enter 5 for A by pressing 5=.
4. Enter 10 for B by pressing 10=.
5. The values of A and B can be used to solve additional
expressions, without using r.
fx-115ES PLUS 2nd Edition Quick Start Guide
COMP MODE
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