•An error occurs if you try to input a mixed fraction while the d/c display format is selected.

kPercentage Calculations

• Example 1: To calculate 12% of 1500 (180)

1500 - 12 A v

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

(75%)

660 \880 Av

• Example 3: To add 15% onto 2500 (2875)

2500 -15 Av +

• Example 4: To discount 3500 by 25% (2625)

3500 -25 Av ,

• Example 5: To discount the sum of 168, 98, and 734 by

20%

(800)

 

168 + 98 + 734 =g Aj 1

p 1 -20Av ,

*

* As shown here, if you want to use the current Answer Memory value in a mark up or discount calculation, you need to assign the Answer Memory value into a variable and then use the variable in the mark up/discount calculation. This is because the calculation performed when v is pressed stores a result to Answer Memory before the , key is pressed.

• Example 6: If 300 grams are added to a test sample originally weighing 500 grams, what is the percentage

increase in weight?

(160%)

 

300 + 500 A v

•Example 7: What is the percentage change when a value is increased from 40 to 46? How about to 48?

(15%, 20%)

46 , 40 A v

e e ee e e8 =

14