Radio Shack 4 - Page 14

BASIC
Statements
and
Functions
Terms:
integer:
A
whole
number
from
-
32768
to
32767
string:
a
sequence
of
characters
which
is
to be
taken
verbatim
dummy
number
or dummy
string:
a number
or string
used in
an expression
to
meet
syntactic
requirements,
but whose
value is
insignificant.
ABS
(number)
Computes
the
absolute
value
of
number.
Y
=
ABS(X)
ASC
(string)
Returns
the ASCII
code
for
the first
character
of
string.
PRINT
ASC
("A")
ATN
(number)
Computes
the
arctangent
of number,
returns
the
value
in
radians.
Y
=
ATN(X/3)
AUTO
[line]
[.increment]
Autom
atical ly
generates
line
numbers
every
time
you
press
(
enter)
. AUTO
begins
numbering
at line
and
displays
the next
line
using
increment.
AUTO
AUTO
1000,
100
AUTO
,
5
CALL
address
[parameter
list]
Transfers
program
control
to
an
assembly-language
subroutine
stored
at
address.
The
parameter
list
contains
the
values
to be
passed
to
the
external
subroutine.
CDBL
(number)
Converts
number
to
double
precision.
Y«
=
CDBL(N*3)
CHRS (code)
Returns
the
corresponding
character
of
the
ASCII
or
control
code.
PRINT
CHR$(35)
17