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
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