Casio fx-260 User Manual page 15

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