PART 5 Calculator Functions
E
72
To perform calculations
a 0.
53 + 123 − 63 = 53q123w63u 113.
963 × (23 − 56) = 23w56e963u − 31779.
(56 × 3 − 89) ÷ 5.2 + 63 = 56e3w89r5.2
q63u 78.19230769
123456 × 741852 = 123456e741852u E 9.158608051
C 9.158608051
2 × (−3) = 2e3eu − 6
12 + 23 = 23qq12u K
+ 35.
45 + 23 = 45u K
+ 68.
78 + 23 = 78u K
+ 101.
7 − 5.6 = 5.6ww7u K − 1.4
2 − 5.6 = 2u K −−3.6
2.3 × 12 = 12ee2.3u K
× 27.6
4.5 × 12 = 4.5u K
× 54.
45 ÷ 9.6 = 9.6rr45u K
÷ 4.6875
78 ÷ 9.6 = 78u K
÷ 8.125
12% of 1500 1500e12t 180.
Percentage of 660 against 880 660r880t 75.
15% add-on of 2500 2500e15tq 2875.
25% discount of 3500 3500e25tw 2625.
480q25t 640.
w 160.
100w80t 25.
80 × 9 = 720 {80e9| M 720.
(−)50× 6 = 300 50e6} M 300.
(+)20× 3 = 60 20e3| M 60.
480 \ M 480.
What will the selling price and
profit be when the purchasing
price of an item is $480 and
the profit rate to the selling
price is 25%?
If you made $80 last week and
$100 this week, what is
the percent increase?
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