z

(15( )/2)

1G(DRG )2(r)E

501G(DRG )

3(

g

)E

Example 2: cos (  radians) =  1, cos (100 grads) = 0

z

12(cos)15( )

1G(DRG )2(r))E

12(cos)100

1G(DRG )3(

g

))E

Example 3: cos

 1

 ( 1) = 180

cos

 1

 ( 1) =  

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

.

E 100