Calculate; Understanding The Keys - Franklin eBOOKMAN EBM-900 User Manual

16. Calculate

eBookMan includes a standard calculator with memory features.
The display screen holds 10 digits. This chapter describes the
calculator keys, menus, how to make calculations, and how to
use calculator memory.
Tap at the Launcher to open the program.

Understanding the Keys

The following keys perform mathematical functions:
X Multiplies
÷ Divides
- Subtracts
+ Adds
. Enters a decimal point (if no decimal point
appears on the display)
= Calculates a function
+/- Enters a negative or positive
C/CE When first tapped, clears the number displayed.
When tapped a second time, clears the equa-
tion.
% Calculates a percentage
Calculates the square root of a number
MC Clears the memory
MR Recalls the value stored in memory
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