HP HP12C hp 12c_user's guide_English_E_HDPMBF12E44.pdf - Page 118

118 Section 10: Program Editing Keystrokes :3 ~ go gi00 :0 gi02 fs 7500?3 6500t 15000t t Display 12- 45 3 13- 34 14- 43 34 Added instructions. 15- 43, 33 00 16- 45 0 Keys in instruction immediately following point at which new instructions are being added. (This instruction was replaced in line 01 by i12 instruction.) 17- 43, 33 02 Branches back to second line (line 02) following point at which new instructions are being added. 12,000.00 Sets calculator back to Run mode. 7,500.00 6,500.00 Stores test value in register R . 3 Runs program for income less than $7,500. Display shows original income keyed in, indicating that tax is zero. 3,000.00 Tax on $15,000 income. 12,000.00 Net income after tax. This shows program still works for an income greater than $7,500 and less than $20,000. The following illustration of the edited program shows how program execution branches to the instructions added at the end of program memory, then branches back. File name: hp 12c_user's guide_English_HDPMBF12E44 Printered Date: 2005/7/29 Page: 118 of 209 Dimension: 14.8 cm x 21 cm