Casio fx-50F PLUS - Manual (Page 17)

E-16
k 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 (
2
1 0 0
)
2!((%)w
Example 2: 150 Ч 20% = 30 (150 Ч
20
1 0 0
)
150*20
!((%)w
Example 3: What percent of 880 is 660?
660/880
!((%)w
Example 4: Increase 2,500 by 15%.
2500+2500*
15!((%)w
Example 5: Reduce 3,500 by 25%.
3500-3500*
25!((%)w
Example 6: Reduce the sum of 168, 98, and 734 by 20%.
168+98+734w
-G*20!((%)w
Example 7: If 300 grams are added to a test sample originally weighing 500 grams, what is
the percentage increase in weight?
(500+300)
/500!((%)w
2%
002
2%
002
150Ч20%
30
150Ч20%
30
660ч880%
75
660ч880%
75
2500+2500Ч15%
2875
2500+2500Ч15%
2875
3500–3500Ч25%
2625
3500–3500Ч25%
2625
168+98+734
1000
168+98+734
1000
Ans–Ans×20%
800
Ans–Ans×20%
800
( 500+300 ) ч500%
160
( 500+300 ) ч500%
160