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50 3: Percentage Calculations in Business

The calculator retains the values of the BUS variables until you clear

them by pressing

. For example, pressing

while in

the %CHG menu clears OLD, NEW, and %CH.

To see what value is currently stored in a variable, press

label. This shows you the value without recalculating it.

Using the BUS Menus

Each of the four BUS menus has three variables. You can calculate any

one of the three variables if you know the other two.

1. To display the %CHG, %TOTL, MU%C, or MU%P menu from the

MAIN menu, press

then the appropriate menu label. Pressing

for example, displays:

2. Store each value you know by keying in the number and pressing the

appropriate menu key.

3. Press the menu key for the value you want to calculate.

Examples Using the BUS Menus

Percent Change (%CHG)

Example. Total sales last year were $90,000. This year, sales were

$95,000. What is the percent change between last year’s sales and this

year’s?

Keys: Display: Description:

" Displays %CHG menu.

HP 17BIIPLUS User Manual

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