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Decimal Comma Vs. Decimal Point; Angle Measure - HP 48gII User Manual

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Decimal comma vs. decimal point

Decimal points in floating-point numbers can be replaced by commas, if
the user is more familiar with such notation. To replace decimal points for
commas, change the FM option in the CALCULATOR MODES input form
to commas, as follows (Notice that we have changed the Number Format
to Std):
Press the H button. Next, use the down arrow key, ˜, once, and the
right arrow key, ™, twice, to highlight the option __FM,.
commas, press the @CHECK soft menu key (i.e., the B key). The input form
will look as follows:
Press the ! ! @@OK#@ soft menu key return to the calculator display.
number 123.456789012, entered earlier, now is shown as:

Angle Measure

Trigonometric functions, for example, require arguments representing plane
angles.
The calculator provides three different Angle Measure modes for
working with angles, namely:
Degrees: There are 360 degrees (360
Radians: There are 2
o
) in a complete circumference.
π
π
r
radians (2
) in a complete circumference.
To select
The
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