Casio fx-9750G Equation Calculations Instrukcja Użytkownika Pobierz pdf (Strona 8)

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uTo solve a cubic equation that produces an imaginary number

solution

Example To solve the following cubic equation:

+ x

+ x – 3 = 0

bwbwbw-dw

1(SOLV)

It may take considerable time for the calculation result of cubic equations to

appear on the display. Failure of a result to appear immediately does not mean

that the unit is not functioning properly.

k Changing Coefficients

You can change a coefficient either before or after you register it by pressing w.

uTo change a coefficient before registering it with

Press the A key to clear the current value and then input another one.

uTo change a coefficient after registering it with

Use the cursor keys to highlight the cell that contains the coefficient that you want to

change. Next, input the value that you want to change to.

k Clearing All the Coefficients

While in the Quadratic or Cubic Equation Mode, press the 3 (CLR) function key.

This operation clears all the coefficients to zero.

3(CLR)

7 - 3 Quadratic and Cubic Equations

123456

1 2 3 4 5 6 7 8 9

Brak uwag

Casio fx-9750G Equation Calculations Instrukcja Użytkownika Strona 8