Franklin Deutsch/English Professor PRO BDS-1860 - Manual (Page 48)

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Using the Calculator
Making Calculations
1. Press and RECHN (F3).
2. Type a number.
Note: You can type up to 10
digits. To type a decimal, press
G (.). To change the sign of a
number, press Y (+/-).
3. Press a math function key.
4. Type another number.
5. Press EINGABE.
To repeat the calculation,
press EINGABE again.
6. Press CLEAR to clear the
current calculations.
To Calculate...
Press...
reciprocals A (1/x)
squares D (x2)
percentages F (%)
square roots S (
√
x)
negative numbers Y (+/-)
Using the Calculator Memory
1. In the Calculator, make a
calculation or type a
number.
2. To add the number on the
screen to the number stored
in memory, press X (
M
+).
Using the Calculator