User Manual

9.ENG
Angle-Unit Setting
Before starting a trigonometric calculation, use the K key
to select the appropriate angle-unit setting (D—Degree,
R—Radian, or G—Grad).
Key
Function
K
Changes the angle-unit setting without
affecting the displayed angle value.
`
x
Changes the angle-unit setting and converts
the displayed angle value to its equivalent
for the new setting.
Example: Convert 45
°
. (If necessary, press
K
until D is displayed.)
45 D 45.
`
x R 0.7853982
`
x G 50.
`
x D 45.
Trigonometric Functions
Key
Function
W
,
X
,
Y
Calculates the sine, cosine, or tangent of
the displayed angle.
Example:
90
W
o
30
X
l
0.1339746
`
u,
`
v,
`
w
Calculates arcsine, arccosine, or arctangent
of the displayed value.
Example: 1 ` u 90.