Casio FX-180PA Manual page 5

Moor Mode key
To put the calculator into a desired operating mode, or to select a specific angular unit,
press tMom first, then Q, ~P, Q,
p,...
or Q.
~ Q - RUN mode. Carry out manual calculation and program execution.
® rxr - LRN is displayed. Program can be written.
)IJ - BASE-N is displayed. Carry out Binary/octal/decimal/hexadecimal conversions,
calculations and logical operations.
®Q - fdr is displayed. Integral can be carried out.
®Q - LR is displayed. Calculate regression analysis.
MØ
- SD is displayed. Calculate standard deviation.
Q -
l
is displayed. Use degrees as the unit of angle measurement.
Qs - l
is displayed. Use radians as the unit of angle measurement.
© - Q is displayed. Use grads as the unit of angle measurement.
QQ - Press any number from 0 to 9 to indicate how many decimal places you want
displayed (FIX is displayed).
)I J
- Press any number from 1 (1 digit) to 0 (10 digits) to indicate how many significant
digits you want displayed (SCI is displayed).
®Q - Releases instructions entered in ®QQ and®®. This operation also changes
the range of the exponent display (see page 10).
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General keys
O0 —OO , O Data entry keys
To enter numerical values into the calculator, press these keys in their logical sequence.
©,
O, ©,
®, Ø Basic calculation keys
For addition, subtraction, multiplication, division and to display answers, press these keys
in their logical sequence.
m All clear key
Press m to clear everything except the contents of the independent memory and con-
stant memories.
0
Clear key
Press 0 to erase wrong entries (including exponential notation) and to erase functional
results during mixed calculations. The process of calculation remains unerased.
J Sign change key
changes the displayed number from positive to negative or from negative to positive.
If you press Q after uo, the sign of the exponent will change.
Memory keys
MnJ Independent memory recall key
Press Mn to recall the contents of the independent memory. (ttJ does not clear the con.
tents of the memory.)
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