Casio fx-115WA - Percentage Calculations

앫12앫
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  500
500
15.
00
46  40
40