Casio FX-820MS Manuale Utente

E-9

k Replay Function

• Every time you perform a calculation, the replay function

stores the calculation formula and its result in replay
memory. Pressing the 

[

 key displays the formula and

result of the calculation you last performed. Pressing 

[

again back steps sequentially (new-to-old) through past
calculations.

• Pressing the 

e

 or 

r

 key while a replay memory cal-

culation is on the display changes to the editing screen.

• Pressing the 

e

 or 

r

 key immediately after you finish

a calculation displays the editing screen for that calcula-
tion.

• Pressing 

t

 does not clear replay memory, so you can

recall the last calculation even after you press 

t

.

• Replay memory capacity is 128 bytes for storage of both

expressions and results.

• Replay memory is cleared by any of the following ac-

tions.
When you press the 

5

 key

When you initialize modes and settings by pressing 

A

B

 

2

(or 

3

) 

=

When you change from one calculation mode to another
When you turn off the calculator.

k Error Locator

• Pressing 

r

  or 

e

  after an error occurs displays the

calculation with the cursor positioned at the location
where the error occurred.

k Multi-statements

A multi-statement is an expression that is made up of two
or more smaller expressions, which are joined using a colon
( : ).

• Example: To add 2 + 3 and then multiply the result by 4

2 

+

 3 

p

 

\

 

g

 

-

 4 

=

=

5.

2

+3

Disp

20.

Ans

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