C 0.500

C 1 2.00

Percentage Calculations

•Use the COMP mode for percentage calculations.

•Example 1: To calculate 12% of 1500

1500 - 12 Av

180.00

• Example 2: To calculate what percentage of 880 is 660

660 \ 880 Av

75.00

• Example 3: To add 15% onto 2500

2500 -15 Av+

2875.00

• Example 4: To discount 3500 by 25%

3500 -25 Av,

2625.00

•Example 5: If 300 grams are added to a test sample originally weighing 500 grams, what is the percentage increase in weight?

300  500

 100  160 (%)

 

500

 

 

 

 

300 +500 Av

160.00

•Example 6: If temperature changes from 40°C to 46°C, what percentage did it rise?

46  40

 100  15 (%)

 

40

 

 

 

 

46 , 40 Av

15.00

E-13