Simultaneous Equations - Casio fx-570es User Manual

10
Casio FX-570ES One Page Exercise:

SIMULTANEOUS EQUATIONS

>>> Solve the equations
2 x + y 5 = 7 and 3 x − y = − 12 simultaneously.
What To Do The Screen Display
First turn on the calculator.
W
Go to Mode, select "EQN" and then choose to solve the 2-unknown simultaneous equations.
w
5 1
Enter the coefficients and constant of the first equation.
2 p 5 p 7 p
Now enter the coefficients and constant of the second equation.
3 p z 1 p z 1 2 p
To find the solutions press "=" a few times.
p
p
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