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Radio Shack CCR-81 Operation Manual

Radio Shack CCR-81
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Computer
Graphics
Operation
Manual
-----------TRS·BO
®
----------
Example
l~
CIRCLE(32~,12~),1~~
This
example
draws
a
circle.
The
radius
is
l~~
and
the
centerpoint
is
(32~,12~).
c
Color
You
can
set
the
ON/OFF
(white/black)
color
of
a
figure's
border
and
radius
lines
(see
start/end)
by
specifying
a
numeric
value
of
1
or
~.
If
you
omit
color,
BASICG
uses
1
(ON/white).
Border
Figure
6.
Border
of
Circle
start/end
Startpoint/Endpoint
of
Circle
The
range
for
start
and
end
is
~
to
6.283185
(2
x
PI).
If
you
do
not
enter
start
and
end,
the
default
values
of
~
and
6.28
respectively,
are
used.
A
negative
start
or
end
value
will
cause
the
respective
radius
to
be
drawn
in-addition
to
the
arc
(i.e.,
it
will
draw
a
"piece
of
the
pie").
The
actual
start
and
endpoints
are
determined
by
taking
the
absolute
value
of
the
specified
start
and
endpoints.
These
values
are
measured
in
radians.
Note:
Radius
will
not
be
drawn
if
start
or
end
is
-~.
To
draw
a
radius
with
start
or
end
as
~,
you
must
use
-~.~~~
•.•
~l.
---------lIadlolhaell---------
-18-

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Radio Shack CCR-81 Specifications

General IconGeneral
BrandRadio Shack
ModelCCR-81
CategoryDesktop
LanguageEnglish

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