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HP HP-28S User Manual

HP HP-28S
341 pages
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Page #46 background image
Chain
Calculations
When
you
perform
complicated
calculations,
the
stack
acts as
tempo-
rary storage to
hold
intermediate
results. This
temporary
storage
acts
automatically. For example,
suppose
you
want
to calculate
the
total
resistance
of
the
following circuit:
The
formula
for total resistance
in
this circuit
is:
1
If
R
1
,
R
2
,
and
R3
have
resistances
of
8, 6,
and
3
ohms
respectively,
calculate
the
following:
Calculate as follows:
Put
8
on
the
stack.
8
[ENTER
I
1
8 + 1
+
6 3
You'll leave 8
on
the
stack
until
it's
time
to
add
it to
the
rest
of
the
calculation.
2:
Doing
Arithmetic
45

Table of Contents

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Preview: Quick Reference
Quick Reference49 pages
Preview: Owner's Manual
Owner's Manual341 pages

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HP HP-28S Specifications

General IconGeneral
BrandHP
ModelHP-28S
CategoryCalculator
LanguageEnglish

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