Casio FX-820MS Manuale Utente

E-18

Use the 

F key to enter the COMP Mode when you

want to perform basic arithmetic calculations.

COMP .............................................................

F

 

1

• Certain types of calculations may take a long time to

complete.

• Wait for the result to appear on the display before start-

ing the next calculation.

•

π

 = 3.14159265359

k Trigonometric/Inverse Trigonometric

• To change the default angle unit (degrees, radians,

grads), press the 

F

  key a number of times until you

reach the angle unit setup screen shown below.

1      2     3

Deg  Rad  G r a

• Press the number key (

1

, 

2

, or 

3

) that corresponds

to the angle unit you want to use.

(90

° = 

   

 radians = 100 grads)

• Example 1: sin 63

°5241  0.897859012

q

 

 

1

 (Deg)

S

 63 

I

 52 

I

 41 

I

 

=

π

2

• Example 2: cos 

(

       rad

)

 0.5

q

 

 

2

 (Rad)

W

 

R

 

A

 

x

 

\

 3 

T

 

=

π
3