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E-100
z
(15(π)/2)
1G(DRG')2(
r
)E
501G(DRG')
3(
g
)E
Example 2: cos (π radians) = –1, cos (100 grads) = 0
z
12(cos)15(π)
1G(DRG')2(
r
))E
12(cos)100
1G(DRG')3(
g
))E
Example 3: cos
–1
(–1) = 180
cos
–1
(–1) = π
z
1. t
2. “cos
–1
” (fc), then E.
3. y1)E
Z
1. t
2. “cos
–1
” (fc), then E.
3. y1)E
k Exponential Functions and
Logarithmic Functions
• For the logarithmic function “log(”, you can specify base
m using the syntax “log (m, n)”.
If you input only a single value, a base of 10 is used for
the calculation.
• “ln(” is a natural logarithm function with base
e.