Casio FX-9860GII SD User Manual download pdf (Page 14)

Getting Started with the fx-9860GII

Press d to return to the previous screen, press q (REPT) to edit this problem or continue

solving simultaneous equations with three unknowns. To edit just one of the numbers in the

system, arrow to the number to be edited and press r (EDIT) or highlight the number to be

edited and just enter the new number, then press l.

Press d until the Equation Editor screen is displayed. The second mode is w Polynomial

and can be used to solve second to sixth degree polynomial equations (in standard form).

2. To solve the equation x

– 2x

– x + 2 = 0, input the following:



• ww1ln2ln1l2lq

3. To change the equation to x

+ 2x

+ 3x + 2 = 0, select q (REPT) and change the b- value

to 2, the c-value to 3 and press q (SOLV).

4. The default setting is for real numbers; to change the display to a+bi form, press Lp

for the Polynomial SET UP menu, select w (a+bi), d, then q (SOLV).

EQUATION

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Casio FX-9860GII SD User Manual Page 14