HP -32S Owner's Manual page 243

Q. How do I clear all or portions of memory?
A. Hi clear Idisplays the CLEAR menu, which allows you to clear all
variables, all programs (in program entry only), the statistics registers,
or all of user memory (not during program entry).
Q. What does an *E* in a number (for example, 2.51E—13) mean?
A. Exponent of ten; that is, 2.51 x 10"13.
Q. The calculator has displayed the message MEMORY FULL. What
should I do?
A. You must clear a portion of memory before proceeding. (See ap
pendix B.)
Q. Why does calculating the sine (or tangent) of ir radians display a
very small number instead of 0?
A. -k cannot be represented exactly with the 12-digit precision of the
calculator.
Q. Why do I get incorrect answers when I use the trigonometric
functions?
A. You must make sure the calculator is using the correct angular
mode (Hi modes I).
Q. What does the symbol in the display mean?
A. This is an annunciator, and it indicates something about the status
of the calculator. See 'Annunciators* in chapter 1.
A: Assistance, Batteries, and Service 241