HP 113394 User Guide - Page 24
Keystrokes, RPN mode, Display
UPC - 808736340502
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24 Section 1: Getting Started Keystrokes (RPN mode) - 10.14- 1053+ Display 21.68 11.54 1,064.54 Pressing - subtracts the number just entered from the number previously in the display. The calculator displays the result of this calculation, which is the balance after subtracting the second check. Keys in the next number and subtracts it from the previous balance. The new balance appears in the display. (It's getting rather low!) Keys in the next number - the paycheck deposited - and adds it to the previous balance. The new, current balance appears in the display. The preceding example demonstrates how the hp 12c platinum calculates just as you would using pencil and paper (except a lot faster!): Let's see this happening in a different type of calculation - one that involves multiplying groups of two numbers and then adding the results. (This is the type of calculation that would be required to total up an invoice consisting of several items with different quantities and different prices.) For example, consider the calculation of (3 × 4) + (5 × 6). If you were doing this on paper, you would do the multiplication in the first parentheses, then the multiplication in the second parentheses, and finally add the results of the two multiplications: File name: hp 12c pt_user's guide_English_HDPMF123E27 Page: 24 of 275 Printed Date: 2005/8/1 Dimension: 14.8 cm x 21 cm