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HP 48gx User Manual

HP 48gx
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By
design,
the
HP
48
makes
it
easy
to
move
between
one
type
of
object
and
another
as
one
solves
a
problem,
explores
data,
or
communicates
results.
It
accomplishes
this
by
using
an
object
stack
(or
“stack,”
for
short).
Envision
the
stack
as
a
special
kind
of
“card
box”
in
which
the
HP
48
organizes
all
of
the
objects
it
uses
in
the
course
of
calculating,
solving,
plotting,
and
evaluating.
Each
object,
no
matter
its
size,
occupies
exactly
one
“card”
in
the
“card
box.”
The
object
on
the
first
“card”
is
said
to
be
on
“stack
level
1,”
the
object
on
the
second
card
is
on
“stack
level
2,”
and
so
forth.
The
stack
can
contain
any
number
of
objects—from
zero
to as
many
as
available
memory
permits.
The
main
display
of
the
HP
48
is
the
stack
display.
It
1s
merely
a
window
showing
you
a portion
of
the
stack
at
a
time.
4:
|
3:
|
|
stack
Display
|
2.
|
Window
1:
Envisioning
the
Stack
Objects
enter
and
“leave”
the
stack
at
level
1.
When
you
enter
a
new
object,
you
place
it
in
the
front
of
the
“card
box”
(stack
level
1)
thereby
pushing
objects
already
in
the
“box”
farther
to
the
back
(increasing
their
stack
levels
each
by
one
in
the
process).
Introducing
the
HP
48
2-3

Table of Contents

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HP 48gx Specifications

General IconGeneral
BrandHP
Model48gx
CategoryCalculator
LanguageEnglish

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