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Section 4: Programming 1 58
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It is easier however, to switch back to RUN and to move the pointer to the top of memory (by
pressing RTN) or to the label (by pressing GTO A). Let us do the latter:
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Switch calculator off. then on.
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Switch to W/PRGM.
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Press
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See Displayed
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Comment
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A
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SST
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g
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SST
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1/x
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To delete the 1/x:
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Press
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See Displayed
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Comment
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gDEL
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04 has been deleted.
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Notice that the pointer has backed up to the g (code 35). To insert the n!, just
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Press
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See Displayed
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Comment
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n!
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03 has been inserted.
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Testing the Revision. To verify that the A key is redefined calculate the factorial,
switch to RUN and
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Press
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See Displayed
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Comment
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5 A
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5!=120
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Figure 4-4 summarizes the editing process. You can tell memory is full by observing the display:
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Note that if memory is full, if you try to delete a step, you will also delete the bottom code;
be sure to reinsert it. One “–” sign indicates full memory.
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You can tell when the pointer is at the bottom:
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