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Sharp MZ-800 - Page 185

Sharp MZ-800
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Arithmetic
functions
ABS
(X)
A=ABS
(X)
Assigns
the
absolute
value
of
variable
|X)
to
variable
A.
Example:
A=
ABS
(2.9)+A=2.9
A=ABS
(—5.5)"A=5.5
SGN
(X)
A=SGN
(X)
Assigns
the
numeric
sign
of
variable
X
to
variable
A.
If
the
value
of
X
is
negative,
—1
is
assigned
to
A;
if
X
is
0,
0
is
assigned
to
A;
and
if
X
is
positive,
1
is
assigned
to
A.
1
(X>0)
Example;
1
is
assigned
to
variable
A
when
A=3;0
(X=0)
A=SGN
(0.4)
is
executed.
—1(X<0)
INT
(X)
A=INT
(X)
Assigns
the
greatest
integer
value
to
A
which
is
less
than
or
equal
to
the
value
of
variable
X.
Examples:
A=INT
(3.87)
-A=3
A=INT
(0.6)
—-A=0
A=INT
(—3.87)
A=
—-4
SIN
(X)
A=SIN
(X)
A=SIN(30*PAN1)/180)
Assigns
the
sine
of
X
(where
X
is
in
radians)
to
variable
A,
If
the
value
of
X
is
in
degrees,
it
must
be
converted
to
radians
before
this
function
is
used
to
obtain
the
sine.
Since
1
degree
equals
+/180
radi-
ans,
the
value
in
radians
is
obtained
by
multiplying
the
number
of
degrees
by
PAI(1)/180.
For
example,
30°
=
30*
PAI(1)/180
radians.
The
same
applies
to
the
COS,
TAN,
and
ATN
functions.
COS
(X)
A=COS
(X)
Assigns
the
cosine
of
X
(where
X
is
in
radians)
to
variable
A.
A=COS
(200
+
PAI(1)/180)
TAN
(X)
A=TAN
(X)
Assigns
the
tangent
of
X
(where
X
is
in
radians)
to
variable
A.
A
=TAN(Y
*PAI(1)/180)
ATN
(X)
A=ATN
(X)
Assigns
the
arctangent
in
radians
of
X
(tan'X)
to
variable
A.
The
A=180/PAI(1)*ATN(X)
value
returned
will
be
in
the
range
from
—z/2
to
1/2.
SQR
(X)
A=SOR
(X)
Calculates
the
square
root
of
X
and
assigns
the
result
to
variable
A.
X
must
be
a
positive
number
or
0.
EXP
(X)
A=EXP
(X)
Calculates
the
value
of
e*
and
assigns
the
result
to
variable
A.
LOG
(X)
A=LOG
(X)
Calculates
the
common
logarithm
of
X
(logio
X)
and
assigns
the
result
to
variable
A.
LN
(X)
A=LN
(X)
Calculates
the
natural
logarithm
of
X
(loge
X)
and
assigns
the
result
to
variable
A.
PAI
(X)
A=PAI
(X)
Assigns
the
value
to
variable
A
which
is
X
times
the
value
of
7.
RAD
(X)
A=RAD
(X)
Converts
the
value
of
X
(where
X
is
in
degrees)
to
radians
and
as-
signs
the
result
to
variable
A.
9-10

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