HP 113394 User Guide - Page 28

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?0 500?2 ; 1,250.00 500.00 Stores the cost of the computer in R . 0 Stores the cost of the printer in R2. Turns the calculator off. Later that same day ... Keystrokes (RPN mode) ; :0 6§ :2 + Display 500.00 1,250.00 7,500.00 500.00 8,000.00 Turns the calculator back on. Recalls the cost of the computer to the display. Multiplies the quantity ordered to get the cost of the computers. Recalls the cost of the printer to the display. Total invoice. Keystrokes (ALG mode) ; :0 §6 +:2 ³ Display 500.00 1,250.00 6. 500.00 8,000.00 Turns the calculator back on. Recalls the cost of the computer to the display. Multiplies by the quantity ordered to get the cost of the computers. Recalls the cost of the printer to the display. 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