Casio FX 260 User Manual - Page 15

Example 2, Example 3, Example 4, Example 5

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Page 15 highlights

• Example 2: cos 63°52'41" (DEG mode) 63 I 52 I 41 I W DEG 0.440283084 • Example 3: tan (ȕ35gra)(GRA mode) 35 E h GRA -0.612800788 • Example 4: cos-1 ( 2 2 rad) (RAD mode) 2A L\ 2=A V RAD 0.785398163 • Example 5: To convert 45 degrees to radians, grads, and back to degrees. F 4 45 DEG 45. A F 5 RAD 0.785398163 A F 6 GRA 50. A F 4 DEG 45. Repeated conversion between angle units can cause normally minute error to accumulate, resulting in poor precision. - 13 -

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— 13 —
•
Example 2:
cos 63°52’41” (DEG mode)
63
I
52
I
41
I
W
•
Example 3:
tan (
35gra)(GRA mode)
35
E
h
•
Example 4:
cos
–1
(
rad) (RAD mode)
2
A
L
\
2
=
A
V
•
Example 5:
To convert 45 degrees to radians, grads, and
back to degrees.
F
4
45
A
F
5
A
F
6
A
F
4
Repeated conversion between angle units can cause nor-
mally minute error to accumulate, resulting in poor preci-
sion.
0.440283084
–0.612800788
DEG
GRA
RAD
2
2
0.785398163
45.
DEG
0.785398163
50.
45.
DEG
RAD
GRA