Percent Calculations - Casio fx-50F User Manual

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Percent Calculations

Inputting a value and with a percent (%) sign makes the value a percent. The percent (%)
sign uses the value immediately before it as the argument, which is simply divided by 100 to
get the percentage value.
A Percent Calculation Examples
Example 1: 2 % = 0.02
Example 2: 150 × 20% = 30
Example 3: What percent of 880 is 660?
Example 4: Increase 2,500 by 15%.
Example 5: Reduce 3,500 by 25%.
Example 6: Reduce the sum of 168, 98, and 734 by 20%.
Example 7: If 300 grams are added to a test sample originally weighing 500 grams, what is
the percentage increase in weight?
2
( )
1 0 0
20
(150 × )
1 0 0
150*20
660/880
2500+2500*
15!( (%) w
3500-3500*
25!( (%) w
168+98+734w
- *20!( (%) w
(500+300)
/500!( (%) w
E-16
2!( (%) w
!( (%) w
!( (%) w
2% 2%
002 002
150 × 20% 150 × 20%
30 30
660 ÷ 880% 660 ÷ 880%
75 75
2500 + 2500 × 15% 2500 + 2500 × 15%
2875 2875
3500 – 3500 × 25% 3500 – 3500 × 25%
2625 2625
168 + 98 + 734 168 + 98 + 734
1000 1000
Ans – Ans × 20% Ans – Ans × 20%
800 800
500 + 300 500 + 300 ÷ 500% ÷ 500%
( ( ) )
160 160