Casio fx-115W - Manual (Page 15)

E-13
C
C
Percentage Calculations
• Use the COMP mode for percentage calculations.
• Example 1 : To calculate 12% of 1500
1500 - 12 A v
• Example 2 : To calculate what percentage of 880 is 660
660
\
880
A v
• Example 3 : To add 15% onto 2500
2500 - 15 A v +
• Example 4 : To discount 3500 by 25%
3500
-
25
A v ,
• Example 5: If 300 grams are added to a test sample
originally weighing 500 grams, what is the percentage
increase in weight?
҂ 100 ҃ 160 (%)
300
+
500
A v
• Example 6: If temperature changes from 40°C to 46°C,
what percentage did it rise?
҂ 100 ҃ 15 (%)
46
,
40
A v
0.5 00
1 2. 00
180. 00
75. 00
2625. 00
160. 00
2875. 00
300
ѿ 500
500
15. 00
46
Ҁ 40
40