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Chapter 8: Application Examples
Memory calculations
When you want to use the calculator for tasks such as adding up total sales,
you can perform this type of operation using single-variable statistics.
Example
In one week, an electrical store sold the items listed below at the prices
and in the quantities shown. What was the total sales figure?
Item Price Quantity
TV set $599.95 10
Phone $159.95 27
Clock $39.95 52
Calculator $7.95 108
1. Press b 1 0 to select the single-variable statistics mode.
2. Press 599.95 , 10 _, 159.95
, 27 _, 39.95 , 52 _ and
7.95 , 108 _.
• All the data is entered.
3. Press I 0 4 e.
• The calculator displays Σx, that is the total
sales value.
Result
■
Total sales were $13254.15.
DATA SET= 3.
7.95,108DATA
DATA SET= 4.
DATA SET= 4.
Í≈=
13254.15