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E-70 – Casio fx-5800P User Manual

Page 71

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E-70

1. Press

N8(EQN).

• This displays an initial EQN type menu like the one shown below.

2. Press

1(aX+bY=c) to select simultaneous linear equations with two unknowns.

• This displays a coeffi cient editor screen like the one shown below. You can use this

screen to input values for the equation’s coeffi cients.

3. Input values for the coeffi cients.

1E0.5E3E2E3E4E

X + 0.5Y = 3

2X + 3Y = 4

These values will produce the simultaneous equations shown above.

4. To display the solutions, press

E.

• This displays the solution for X.

• Use

c and f to switch the display between the solutions for X and Y.

• To exit the solution screen and return to the coeffi cient editor screen, press

J.