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17
The Automatic Memory Stack
65
16.00
30.00
11.00
17.
16.00
16.00
30.00
28.00
16.00
16.00
16.00
58.00
16.00
16.00
16.00
74.00
17 is written over
the 11 in X.
17 and 11 are added to-
gether and the rest of the
stack drops. 16 dropsto Z
and is also duplicated in
T. 30 and 28 are ready to
be added.
30 and 28 are added to-
gether and the stack drops
again. Now 16 and 58 are
ready to be added.
16 and 58 are added to-
getherforthe final answer
and the stack continues to
drop.
The same dropping action also occurs with @, E3 and £ . The number
in T is duplicated in T and drops to Z, the number in Z drops to Y,
and the numbersin the Y and X combine to give the answer, which
is visible in the X-register.
This automatic lift and drop ofthe stack give you tremendous comput-
Ing power, since you can retain and position intermediate results in
long calculations without the necessity of reentering the numbers.
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