HP 20B manual 15I, 22I, 20I, 35I, Percent Calculation Examples

Business Problems

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 8-1Markup Example

Keys Display Description

:#

Opens the %calc menu.

I

Opens the Mkup.%C sub-menu.

15I

Inputs 15 for Cost.

<22I

Inputs 22 for Price.

<=

Calculates the value of Mkup.%C for the given data.

2. Find the percent change between 20 and 35 with no compounding.

Table 8-2Percent Change Example

Keys Display Description

:#

Opens the %calc menu.

<<<

Scrolls to %Change.

I

Opens the %Change sub-menu.

20I

Inputs 20 for Old.

<35I

Inputs 35 for New.

<=

Calculates the current value of %Change for the given data.

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