HP HP-18C - Erasing Continuous Memory

to confirm that reset has occurred. If you are unable to reset the calcu-
lator, try installing fresh batteries.
If the calculator still fails to operate
properly, you should attempt to erase Continuous Memory.
Erasing Continuous Memory
Erasing Continuous Memory is a way of freeing a large amount of
memory so that you can use it for other things .
Erasing
Continuous Memory :
• Clears
the calculator line and history stack.
• Clears all values
stored in built-in variables.
• Deletes all
formulas you've entered into the SOLVE formula list and
their user-variables.
• Clears all
number lists, including their names .
• Clears all
appointments.
• Sets the calculator to certain "default" settings-month/day /year
date format , 12-hour time format , 2 decimal places, period (.) deci-
mal
point , and printer tracing off .
Erasing
Continuous Memory does not affect the current time and
date .
To erase Continuous Memory:
1. Press and hold down the I ON I key.
2. Press and hold down the leftmost menu key.
3. Press the rightmost menu key . (You will be pressing three keys
simultaneously).
When the three keys are released, the HP-18C displays:
~1EP10RY LOST
188 C: Caring for and Using Your Calculator