28 Section 1: Getting Started

Example: Before you leave to call on a customer interested in your personal computer, you store the cost of the computer ($1,250) and also the cost of a printer ($500) in data storage registers. Later, the customer decides to buy six computers and one printer. You recall the cost of the computer, multiply by the quantity ordered, and then recall and add the cost of the printer to get the total invoice.

Keystrokes

Display

1250?0

1,250.00

500?2

500.00

;

 

Later that same day …

 

Keystrokes

Display

(RPN mode)

 

;

500.00

 

:0

1,250.00

Stores the cost of the computer in R0. Stores the cost of the printer in R2. Turns the calculator off.

Turns the calculator back on.

Recalls the cost of the computer to the display.

6§

7,500.00

Multiplies the quantity ordered to get

 

 

the cost of the computers.

:2

500.00

Recalls the cost of the printer to the

 

 

display.

+

8,000.00

Total invoice.

 

Keystrokes

Display

 

(ALG mode)

 

 

 

;

500.00

Turns the calculator back on.

 

:0

1,250.00

Recalls the cost of the computer to

 

 

the display.

§6

6.

Multiplies by the quantity ordered to

 

 

get the cost of the computers.

+:2

500.00

Recalls the cost of the printer to the

 

 

display.

³

8,000.00

Total invoice.

 

File name: hp 12c pt_user's guide_English_HDPMF123E27

Page: 28 of 275

Printed Date: 2005/8/1

Dimension: 14.8 cm x 21 cm