Percent Calculation Examples - HP 20B User Manual

Note: for business problems, margin is based on price; markup is based on cost. The examples below are shown with RPN as
the active operating mode.

Percent Calculation Examples

See Tables 8-1 through 8-4 for examples of calculations in the %calc menu.
1. Find the markup on an item if the cost price is $15.00 and the selling price is $22.00. See Table 8-1.
Table 8-1 Markup Example
Keys
:#
I
15I
<22I
<=
2. Find the percent change between 20 and 35 with no compounding.
Table 8-2 Percent Change Example
Keys
:#
<<<
I
20I
<35I
<=
Display
Display
54
Business Problems
Description
Opens the %calc menu .
Opens the Mkup.%C sub-menu.
Inputs 15 for Cost .
Inputs 22 for Price .
Calculates the value of Mkup.%C for the given data.
Description
Opens the %calc menu .
Scrolls to %Change .
Opens the %Change sub-menu.
Inputs 20 for Old .
Inputs 35 for New .
Calculates the current value of %Change for the given
data.