Franklin Spanish Professor DBE-1440 - Manual (Page 24)

23
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
enter
again.
6. Press
clear
to clear the current
calculations.
Using the Calculator
Press...
a
(1/x)
d
(x 2 )
f
(%)
s
(
√
x)
z
(+/-)
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
(M+)
. To subtract the
number on the screen from the
number stored in memory, press
c
(M-)
.
M indicates the number is stored in
memory.
3. To retrieve the number from
memory, press v
(MR)
.
4. To clear the memory, press b
(MC)
.
Using the Calculator