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Example
What results from a 10%
increase of 200?
What is 500 after a 20%
discount?
42C-G
(4q2
=
118
=
Calculate the percent
change between two
yearly sates figures,
$620,000 one year and
$500,000 the previous year.
Calculate the selling price
and the gross profit from a
cost of $8.16 on the basis
of a 15% profit on the
selling price.
Calculate the cost and the
gross profit from a selling
price of $100 on the basis
of a 25% profit on the cost.
(Summation)
25x5=
-)84+3=
+) 68+17=
(Total) =
(Temporary memory)
(14
-
3 x 2) x
(52
-
35) =
(Constant memory)
135 x (12 + 14) =
(12+14)
f
5=
Operation
620000
I-1
500000
m
24.
Clear the memory before performing any
calculations
I
Display
(answer)
220.
400.
4.
4096.
0.125
9.6 (Selling
price)
1.44 (Gross
profit)
80. (Cost)
20. (Gross
profit)
-M-
125.
-M-
28. .
-M- 85.
-M-
182.
-M-
6.
-M-
136.
-M- 26.
-M- 3510.
-M- 5.2
*
Non-zero numbers in the memory cause ‘I-M-” to appear on the display.
72