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6
k Percent Calculations
What is 5% of 200?
2
Q*
5
%
10.
What is 100 increased by
5%?
1
Q*
5
%
+
Increasep 5.
Totalp 105.
What is 500 reduced by
20%?
5
Q*
20
%
,
Discountp 100.
Totalp 400.
What percent of 60 is 30?
30
/
60
%
50%p 50.
What percent increase of
10 is 12?
12
,
10
%
20%p 20.
If the markup is 25% of the
selling price, what would be
the selling price and profit
on an item that has a cost of
120 dollars?
120
+
25
%
,
Sales price p 160.
Profit p 40.
k Independent Memory Calculation
Independent memory is useful when performing multiple calculations.
Values can be stored to and recalled from independent memory as
required.
c
... Adds a value to independent memory.
d
... Subtracts a value from independent memory.
f
... Displays the value currently in independent memory.
e
... Clears the current independent memory value.
80 × 9 = 720
e
80
*
9
c
MEMORY
720.
(−) 50 × 6 = 300 50
*
6
d
MEMORY
300.
(+) 20 × 3 = 60 20
*
3
c
MEMORY
60.
Total: 480
f
MEMORY
480.
• Independent memory is not cleared when you press
A
.
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