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HP HP-11C User Manual

HP HP-11C
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Section
3
Numeric
Functions
Your
HP-11C’s
numeric
function
set
enables
you
to
perform
a
wide
range
of
operations
involving
number
alteration,
math,
and
statistics.
Each
function
is
used
in
the
same
way
for
both
keyboard
and
program
execution.
Pi
Pressing
places
a
10-digit
approximation
of
the
value
of
pi
(3.141592654)
in
the
displayed
X-register.
If
the
stack
is
not
disabled,
pressing
causes
the
stack
to
lift.
Number
Alteration
Functions
In
addition
to (refer
to
page
17,
Negative
Numbers)
your
HP-11C
has
four
functions
for
altering
numbers:
[ABS],
[INT],
(FRAC],
and
(RND].
Absolute
Value.
Pressing
changes
the
number
in
the
displayed
X-register
to
the
absolute
value
of
that
number.
Integer
Portion.
Pressing
replaces
the
number
in
the
displayed
X-register
with
its
integer
portion,
that
is,
it
replaces
all
digits
to
the
right
of
the
decimal
with
zeroes.
Fractional
Portion.
Pressing
replaces
the
number
in
the
displayed
X-register
with
its
decimal
portion,
that
is,
it
replaces
any
digits
to
the
left
of
the
decimal
with
zeroes.
Rounding.
Pressing
rounds
the
internally
held
10-digit
mantissa
of
any
displayed
value
to
the
number
of
digits
specified
by
the current
[FIX],
,
Or
display
setting.
Example
]
To
Calculate
Keystrokes
Display
Absolute
value
12345
-12,345
12,345.0000
Integer
portion
123.4567
123.4567
123.0000
42

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HP HP-11C Specifications

General IconGeneral
BrandHP
ModelHP-11C
CategoryCalculator
LanguageEnglish

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