Casio fx-115ES PLUS Manuel de démarrage rapide - Page 9
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Equation Mode can be used to solve simultaneous linear equations with two or three unknowns,
quadratic equations, or cubic equations. Press
corresponding number for the desired equation type.
Example 1:
1. Press
1
to select a simultaneous linear equation
with two unknowns.
2. Enter the coefficients for each term in each equation
by pressing 1=2=3=2=3=4=.
3. Press
=
to solve for the variables.
4. Press R
to see the solution for y.
5. To solve additional simultaneous equations with
two unknowns, press CC.
fx-115ES PLUS 2nd Edition Quick Start Guide
w5
to enter EQN mode and press the
EQN MODE
9