Franklin 911 User Manual

Adds the current value to the value stored in
memory (but does not display the sum)

Subtracts the current value from the value
stored in memory (but does not display the dif-
ference)

To access the menu, tap 

in the Control Pad. The program

uses a menu that contains the following items.

Displays online help.

About Displays legal information about 

Calculate

.

Closes the program.

To make a simple calculation, follow these steps.

1. Tap a number. For example, tap 4.

To enter a negative value, tap the number and then tap +/-.

2. Tap the key for the mathematical function you want. For

example, tap +.

A symbol for the function appears on the display.

3. Tap another number. For example, tap 9.

4. Tap =.

The sum, 13, appears on the screen. To clear the program,
press C/CE.

To subtract a percentage from a value, follow these steps.

1. Tap the total value. For example, tap 300.

2. Tap the key for the mathematical function you want. For

example, tap -.

3. Tap the percent value. For example, tap 5.

4. Tap %.

The value that equals a 5% discount from 300, 285, appears
on the screen.

If you want to
perform a func-
tion using the
number in the
display, simply
tap the function
and then =
instead of tapping
the number
again. For exam-
ple, tap 4 + = to
get 8. 

You cannot
repeat the calcu-
lation of a per-
centage by press-
ing = again.