HP 15c - Manual (Page 85)

Section 7: Program Editing 85
Keystrokes Display
− 019- 40 Line 020 deleted.
| ‚ (hold) 016- 45 4 The next line to edit is line
016 (l 4).
− 015- 20 Line 016 deleted.
l 2 016- 45 2 Line 016 changed to l 2.
t “ 011
(or hold ‚) 011-44,40, 2 Moves to line 011 (O+
2).
− 010- 42 31 Line 011 deleted.
| ‚ (hold) 008- 31 Stop! (Single-stepping
backwards to line 008:
¦.)
− 007-44,40, 1 ¦ deleted.
l 1 008- 45 1 Line 008 changed to l 1.
| ‚ 007-44,40, 1 Back-step to line 007.
− 006- 44 4 Line 007 (O+ 1)
deleted.
− 005- 20 Line 006 (O 4) deleted.
O 2 006- 44 2 Changed to O 2.
The replacement of a line proceeds like this:
Further Information
Single-Step Operations
Single-Step Program Execution. If you want to check the contents of a
program or the location of an instruction, you can single step through the
program in Program mode. If, on the other hand, running the program
produces an error, or you suspect that a portion of the program is faulty,