How do I indicate multiplication in an equation?
A. You must use the multiplication sign
multiplication-for example, AB for AxB.
What does the colon in the display mean?
A. It separates the two numbers entered as
in statistics or
My numbers contain commas instead of periods as decimal points.
How do I restore the periods?
A. Changing the decimal point is covered in "Interchanging the Pe-
riod and Comma'" on page 25.
What does an "E'" in a number (for example,
A. The number is displayed in scientific or engineering notation (see
The calculator has displayed the message
should I do?
A. You must clear a portion of memory before proceeding (see "Clear-
ing Portions of Memory" on page 28).
How can I change the sign of a number?
Why does calculating the sine of
radians display a very small
number instead of O?
cannot be represented
with the 12-digit precision of the
calculator. The calculated answer is correct for the 12-digit approxima-
Why do I get incorrect answers when I use the trigonometric
A. You must make sure you are in the correct angular mode (see page
A: Assistance, Batteries, Memory, and Service