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Memory Operations
In addition to storing a number for later recall, the memory
may be used to solve several parts of a problem
simultaneously. The following example illustrates how the
memory and independent add register can be used to solve
three problems without reentering numbers or intermediate
results.
Example
Assume you have three groups of items with each group
having a separate cost per item, and you need to calculate 1)
the total cost for each group, 2) the total cost of all groups,
and 3) the average cost per item of all groups.
Group 1
Number of items = 36
Cost per item = $1.95
Group 2
Number of items = 150
Cost per Item = $.75
(Group 3
Number of Items = 16
Cost per item = $1.29
Set Switches PRINTER (ON), DECIMAL (F)
Enter
Press
Display
Print
Comments
[MT]†
000....
..
0.
0 M*
36
[x]
36.
.
36. x
[+]
36.
36. +
1.95
[M +]
=
1.95 =
M 70 .2
70.2M+ Group 1 cost
150
[x]
M 150.
150. x
[+]††
M 186.
150. +
.75
[M+]
=
0.75 =
M 112. 5
112.5M+ Group 2 cost
(continued)
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