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Keys
Description
Annunciator
(~]
Sets Degrees mode. There are 360 degrees
None
in a circle. Angles are measured in decimal
degrees (rather than degrees-minutes-
seconds).
s
Sets Radians mode. There are 2x radians in
RAD
a circle.
(] (GRD]
Sets Grads mode. There are 400 grads in a
GRAD
circle.
To exit RAD or GRAD mode press [¢>] [DEG].
Trigonometric Functions
Angles are interpreted in decimal degrees, radians, or
grads depending on the current trigonometric mode.
Keys
Function
Keys
Function
SIN
sine
(-]
arc sine
coS
cosine
(=)
arc cosine
TAN
tangent
(+)
arc tangent
Keys:
Display:
Description:
]
Sets Degrees mode.
15
0.2588
Sine of 15°.
1
60
1.7321
Tangent of 60°.
(=)
2.7321
Calculates
1 + tan 60°.
3: Numeric Functions
35
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