Casio FX-820MS Manuale Utente

E-8

• To return the calculation mode and setup to the initial

defaults shown below, press 

A

 

B

 

2

(Mode) 

=

.

Calculation Mode:

COMP

Angle Unit:

Deg

Exponential Display Format: Norm 1
Fraction Display Format:

a

b

/

c

Decimal Point Character:

Dot

• Mode indicators appear in the upper part of the display.
• Be sure to check the current calculation mode (SD, REG,

COMP) and angle unit setting (Deg, Rad, Gra) before
beginning a calculation.

k Input Capacity

• The memory area used for calculation input can hold 79

“steps.” One step is taken up each time you press a
number key or arithmetic operator key ( 

+

, 

,

, 

-

, 

\

 ).

A 

A

 or 

p

 key operation does not take up a step, so

inputting 

A

 

D

, for example, takes up only one step.

• You can input up to 79 steps for a single calculation.

Whenever you input the 73rd step of any calculation,
the cursor changes from “_” to “k” to let you know
memory is running low. If you need to input more than
79 steps, you should divide your calculation into two or
more parts.

• Pressing the 

g

 key recalls the last result obtained, which

you can use in a subsequent calculation. See “Answer
Memory” for more information about using the 

g

 key.

k Making Corrections During Input

• Use 

e

 and 

r

 to move the cursor to the location you

want.

• Press 

[

 to delete the number or function at the current

cursor position.

• Press 

A

 

K

 to change to an insert cursor 

t

. Inputting

something while the insert cursor is on the display in-
serts the input at the insert cursor position.

• Pressing 

A

 

K

, or 

=

 returns to the normal cursor from

the insert cursor.