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74
Program Editing
With line 03 displayed you are ready now to correct line 04. Since this
is an unwanted extra line, use the [9]
function to replace its
contents.
Keystrokes
Display
03-
153
Display line 03 to correct
line 04.
(9)
04-
15 13
Press (9]
so that the
calculator will not perform
an operation here.
Now set the PRGM-RUN switch prom[[[Jrun back to RUN and
press (a][rrv] to reset the calculatorto line 00. The example below will
help you determine whether or not you have corrected the program.
Example: Find the cube root of 8 and then of 125.
Keystrokes
Display
8
2.0000
125
5.0000
Adding Instructions
If you have recorded a medium-sized program and have left out a crucial
sequence of keystrokes right in the middle, you do not haveto start over.
The missing sequence of keystrokes can be recorded in the available lines
following your program. You can then use the
key to make a
subroutine to the sequence when it is needed and then make it return
to the main part of your program at the end of the sequence.
The sample inoperative program shown below should make this more
clear. Three lines are missing between lines 02 and 03.
Keycodes
Keystrokes
00
01-
21
02-
51
Missing three lines (L7
, (e8] | and (570] 6) here.
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