Using The Calculator - Franklin Spanish Professor DBE-1440 User Manual

Using the Calculator

Making Calculations
1. Press until you see the
calculator.
2. Type a number.
Note: q-p will type numbers 0-9
automatically. You can type up to 10
digits. To type a decimal, press g (.).
To change the sign of a number, press
z
.
(+/-)
3. Press a math function key.
4. Type another number.
5. Press .
enter
To repeat the calculation, press
again.
6. Press to clear the current
clear
calculations.
To Calculate...
reciprocals
squares
percentages
square roots
negative numbers
Using the Calculator Memory
1. In the Calculator, make a calcula-
tion or type a number.
2. To add the number on the screen
to the number stored in memory,
press x
number on the screen from the
number stored in memory, press c
.
(M-)
M indicates the number is stored in
enter
memory.
3. To retrieve the number from
memory, press v
4. To clear the memory, press b
23
Using the Calculator
. To subtract the
(M+)
(MR)
Press...
a
(1/x)
d
(x 2 )
f
(%)
s
( x)
z
(+/-)
.
.
(MC)