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BASIC-SO
SGN
The SON function returns the sign
of
the specified expression.
If
the expression
is
greater than 0, SON returns
1.
If
the expression
is
0, SON returns a 0.
If
the expres-
sion
is
less
than
0, SON returns -1.
SGN(expression)
10
INPUT A
20
LET B = 3.14159*SGN(A)
30
PRINT B
40
END
RUN
?
44
3.14159
OK
RUN
?
-12
-3.14159
OK
RUN
?O
o
Ok
SIN
The SIN function returns the sine value
of
the argument. The input
is
given
in
radians. The calculation
is
performed in single precision.
SIN (expression)
10
INPUT A
20
PRINT SIN(A)
30
END
RUN
?8
.989358
Ok
SPACES
The SP ACE$ function returns a string
of
spaces equal to the value
of
the integer
expression.
NOTE
SPACE$ returns an actual string.
SPACE$
(integer
expression)
10 A
=1
20
PRINT "QUESTION";A;SPACE$(10);"THEORY"
30
PRINT
40
PRINT SPACE$(21);"TEXT"
50
END
RUN
QUESTION 1 THEORY
TEXT
Functions
7-11