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HP 48gx

HP 48gx
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Lesson
8:
Arithmetic
with
Fractions
Fractions—whether
they
are
proper,
improper,
or
mixed—can
be
represented
on
the
HP
48
as
algebraic
expressions.
Use
the
Equation
Writer
to
enter
fractions.
Example:
Add
>
and
12.
Step
1:
Begin
the
Equation
Writer
and
type
in
the
first
fraction.
(CLEAR)
@)
(EQUATION)
RE
Step
2:
Type
in
the
second
fraction.
Note
that
when
you
enter
a
mixed
fraction
you
must
include
the
+
between
the
integer
and
fractional
parts.
1
(D3
E)4
Step
3:
Evaluate
the
expression.
It
will
display
as
a
decimal.
1:
2.
16666666667
[COME|PERM]
!
[RAND]
KOZ
|
Step
4:
Convert
the
decimal
to
a
fraction.
@
(=
VVEOoLIC)
(NXT)
1:
‘13-6
[FMAT[EHAT]
30
[3am]
|
[APPLY
3-8
Arithmetic

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