In a message dated 96-12-10 15:45:00 EST, you write: << >1) Is it true that when you take all the batteries out of the >calculator, >you loose everything that has been programmed into the calc? Only if you take out the main batteries and the backup batteries at the same time. (That's why there's a backup battery!) :-) >> Also, if you take out the AAA batteries and you leave the calculator on, you wil lose all memory in the computer.