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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 8-1 Markup Example

Keys Display Description

Opens the %calc menu

Opens the

Mkup.%C

sub-menu.

15I

Inputs

for

Cost

<22I

Inputs

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 8-2 Percent Change Example

Keys Display Description

Opens the %calc menu

<<<

Scrolls to

%Change

Opens the

%Change

sub-menu.

20I

Inputs

for

Old

<35I

Inputs

for

New

Calculates the current value of

%Change

for the given

data.

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HP 20B Specifications

General

Type	Financial
Cover	-
Form factor	Pocket
Control type	Buttons
Product color	Black
Digits	12 digits
Display type	LCD
Display tilting	No
Display number of lines	2 lines
Battery type	CR2032
Power source	Battery
Auto power off	Yes
Number of batteries supported	2
Memory registers	110