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HP 250 - Page 59

HP 250
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Keyboard
Operations
The
most
frequently
used
operators
are
+
(addition),
-
(sub-
t r
act
ion),
/
(d
i
vis
ion),
{(.
(mu I
tip
Ii
cat
ion),
and
1\
( 0 r **)
(exponentiation).
For
example,
in
order
to
compute
the
sum
of
8
and
22.
press
the
following
key
sequence:
0~CD00CD
r
8+22
30
Mor~
complicated
problems
can
be
solved
as
well.
When
you
press
this
series
of
keys,
it
is
equivalent
to
the
problem
9*8+(7-2)+10
being
solved:
0~GJ0~CD~GJ080~GJ~CDCD0CIJ
9*8+(7-2)+10
87
You
cannot
multiply
numbers
without
using
the
operator
*.
The
expression
AB,
which
indicates
"A
times
B"
in
algebra,
is
not
interpreted
as
multiplication
by
the
computer.
You
must
enter
A*B.
The
computer
performs
operations
in
a
preset
order
called
a
mathematical
hierarchy.
For
keyboard
operations,
you
need
to
remember
that
exponentiation
has
higher
priority
than
multiplication
and
division.
Multiplication
and
division
have
higher
priorities
than
addition
and
subtraction.
BeioM
is
an
abbreviated
list
of
the
mathematical
hierarchy,
with
parentheses
having
the
highest
priority.
4-2
Symbol
( )
1\
(0;"**>
.l* > /
...
Description
parentheses
exponentiation
multiplication,
division
addition,
subtraction
Keyboard
Operations
The
most
frequently
used
operators
are
+
(addition),
-
(sub-
t r
act
ion),
/
(d
i
vis
ion),
{(.
(mu I
tip
Ii
cat
ion),
and
1\
( 0 r **)
(exponentiation).
For
example,
in
order
to
compute
the
sum
of
8
and
22.
press
the
following
key
sequence:
0~CD00CD
r
8+22
30
Mor~
complicated
problems
can
be
solved
as
well.
When
you
press
this
series
of
keys,
it
is
equivalent
to
the
problem
9*8+(7-2)+10
being
solved:
0~GJ0~CD~GJ080~GJ~CDCD0CIJ
9*8+(7-2)+10
87
You
cannot
multiply
numbers
without
using
the
operator
*.
The
expression
AB,
which
indicates
"A
times
B"
in
algebra,
is
not
interpreted
as
multiplication
by
the
computer.
You
must
enter
A*B.
The
computer
performs
operations
in
a
preset
order
called
a
mathematical
hierarchy.
For
keyboard
operations,
you
need
to
remember
that
exponentiation
has
higher
priority
than
multiplication
and
division.
Multiplication
and
division
have
higher
priorities
than
addition
and
subtraction.
BeioM
is
an
abbreviated
list
of
the
mathematical
hierarchy,
with
parentheses
having
the
highest
priority.
4-2
Symbol
( )
1\
(0;"**>
.l* > /
...
Description
parentheses
exponentiation
multiplication,
division
addition,
subtraction

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