Casio fx-9860G SD - Manual (Page 170)

20050401
4-4 What to Do When an Error Occurs
u Error during coefficient value input
Press the J key to clear the error and return to the value that was registered for the
coefficient 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 coefficient. Try inputting values for the
coefficients again.
4-4-1
What to Do When an Error Occurs
k k k k 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.