Casio fx-9860GII Quick Reference Card page 16

This section is an overview of the EQUATION Icon. To select this icon, highlight it and
The initial Equation Editor screen has three modes to choose from, Simultaneous,
Polynomial, and Solver; this section will give an overview of each mode.
The Simultaneous mode allows you to solve simultaneous linear equations with two to six
unknowns.
1. Solve the following system of equations:
 

4 x y 2 z

 

x 6 y 3 z

  
 5 x 4 y
q
Press to select the Simultaneous mode and press
calculator will display a matrix where the coefficients and constants can be entered
in to as long as each equation is in standard form. To enter this system of equations
(already in standard form) input the following:
 4
l
 1
l
 n 5
There are four options at the bottom of the screen, press
to this system is (1, -1, 2).
Casio "The Basics fx-9860GII "
press
 
1

1
 
z 7
1 l n 2
6 l 3 l
l 4 l 1
EQUATION
l f
or press
l n 1 l
1 l
l n 7 l
.
w
for three unknowns. The
q
(SOLV). The solution
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