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34
Getting Started
Now try the following problems using the(®) key, keeping in mind the
simple rules for two-number functions:
16*
(16 to the
4% power) =
65536.00
81%
(81 squared) =
6561.00
(You could also have
done this as a one-
number function using
&)
225 (Square root
of 225)
=
15.00
(You could also have
done this as a one-
number function using
)
216
(2 to the
16% power) =
1625 (4t root
of 16)
=
Chain Calculations
The speed and simplicity of operation of the Hewlett-Packard logic
system become most apparent during chain calculations. Even during
the longest of calculations, you still perform only one operation at a
time, and you see the results as you calculate—the Hewlett-Packard
automatic memory stack stores up to four intermediate results inside
the calculator until you need them, then inserts them into the calcu-
lation. This system makes the process of working through a problem
as natural as it would be if you were working it out with pencil and
paper, but the calculator takes care of the hard part.
For example, solve (12 + 3) X 7.
If you were working the problem with a pencil and paper, you would
first calculate the intermediate result of (12 + 3)...
1
X7 =
e
...and then you would multiply the intermediate result by 7.
(273 X 7 =105
ISx7 =/0%
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