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HP 46 User Manual

HP 46
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Appendix
C
Operating
Limits
Calculator
Range
The
HP-46
handles
numbers
up
to
10!°°.
Calculations
or
data
entries
exceeding
this
range
are
printed
(and
displayed)
as
9.999999999
99.
The
calculator
also
handles
numbers
as
small
as
10°°.
Calculations
or
data
entries
exceeding
this
range
are
printed
(and
displayed)
as
zero.
Accuracy
The
accuracy
of
the
HP-46
varies
according
to
the
operation
being
performed.
Arithmetic
operations
and
simple
functions
(+,
—,
x,
=,
1/x,
VX,
n!,
%,
A%,
x?,)
are
accurate
to
within
+1
count
in
the
tenth
(least
significant)
digit.
The
accuracy
of
the
remaining
operations
can
be
expressed
in
terms
of
the
original
number.
For example,
if
you
calculate
the
natural
log
of
5,
your
answer
would
be
1.609437912.
This
answer
is
actually
the
natural
log
of
some
number
between
4.999999998
and
5.000000002.
It
is
accurate
then,
for
the
original
number
+2
counts
(N=2
for
LN;
see
table
below)
in
the
tenth
digit.
All
operations
are
accurate
for
the
original
number
*N
counts
in
the
tenth
digit.
The
values
for
N
for
each
operation
are
listed
below:
Operation
Value
of
N
Ln,
Log,
eX
2
Trig
Functions
3
To
Pol,
To
Rec
3
10%
7
for
x
X
3
for
£x?,
and
2
for
2
x
yX
4
for
y,
and
7
for
x
49

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HP 46 Specifications

General IconGeneral
BrandHP
Model46
CategoryCalculator
LanguageEnglish

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