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4 what to do when an error occurs, 4 what to do when an error occurs -4-1 – Casio SERIES FX-9860G User Manual

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4-4 What to Do When an Error Occurs

u Error during coeffi cient value input

Press the

J key to clear the error and return to the value that was registered for the

coeffi cient before you input the value that generated the error. Try inputting a new value
again.

u Error during calculation

Press the

J key to clear the error and display the coeffi cient. Try inputting values for the

coeffi cients again.

k Clearing Equation Memories

1. Enter the equation calculation mode (SIML or POLY) you want to use and

perform the function key operation required for that mode.

• In the case of the SIML mode (

1), use the function keys to specify the number

of unknowns.

• In the case of the POLY mode (

2), use the function keys to specify the degree

of the polynomial.

• If you pressed

3(SOLV), advance directly to step 2.

2. Press

2(DEL).

3. Press

1(Yes) to delete the applicable equation memories or 6(No) to abort

the operation without deleting anything.

4-4-1

What to Do When an Error Occurs