Angle Measure - HP 50g User Manual

Graphing calculator.

Press the !!@@OK#@ soft menu key return to the calculator display. The 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
90 degrees (90
doing basic geometry, mechanical or structural engineering, and
surveying.
mathematics and physics problems. This is the default mode of the
calculator.
mode, and was introduced in order to "simplify" the degree notation but is
seldom used now.
The angle measure affects the trig functions like SIN, COS, TAN and associated
functions.
To change the angle measure mode, use the following procedure:
Press the H button. Next, use the down arrow key, ˜, twice. Select
the Angle Measure mode by either using the \key (second from left in
the fifth row from the keyboard bottom), or pressing the @CHOOS soft menu
o
) in a right angle. This representation is mainly used when
r
) in a right angle. This notation is mainly used when solving
g
) in a right angle. This notation is similar to the degree
o
) in a complete circumference, or
r
) in a complete circumference, or /2
g
) in a complete circumference, or
Page 1-23  