Casio FX-820MS Manuale Utente

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E-17
Independent Memory
• Values can be input directly into memory, added to
memor y, or subtracted from memory. Independent
memory is convenient for calculating cumulative totals.
• Independent memory uses the same memory area as
variable M.
• To clear independent memory (M), input 
0
 
A
 
j
 
3
.
• Example:
23 
 9  32
23 
+
 9 
A
 
j
 
3
53 
 6  47
53 
,
 6 
|
) 45  2  90
45 
-
 2 
A
 
{
(Total)
–11
0
 
3
Variables
• There are nine variables (A through F, M, X and Y), which
can be used to store data, constants, results, and other
values.
• Use the following operation to delete data assigned to a
particular variable: 
0
 
A
 
j
 
1
. This operation de-
letes the data assigned to variable A.
• Perform the following key operation when you want to
clear the values assigned to all of the variables.
A
 
B
 
1
(Mcl)
 
=
• Example: 193.2 
 23  8.4
193.2 
 28  6.9
193.2 
A
 
j
 
1
 
23
 
=
 
p
 
1
 
28 
=