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Radio Shack 16B Operation Manual

Radio Shack 16B
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Computer
Graphics
Operation
Manual
----------TRS-SO
®
----------
However,
you'll
probably
only
be
able
to
visually
detect
a
change
in
the
circle's
start
and
end
when
PI
is
accurate
to
a
few
significant
digits
(e.g.~.l,
6.28,
etc.).
The
start
and
end
values
can't
be
more
than
2 x
PI
(e.g.,
6.2832
will
not
work)
or
an
Illegal
Function
Call
error
will
occur.
(~)
Centerpoint
The
(~)
coordinates
in
the
CIRCLE
statement
specify
the
centerpoint
of
the
figure.
~
and
yare
numeric
expressions
in
the
integer
number
range.
Example
CIRCLE
(~)'I.
CIRCLE
(32~,12~),I.
Center
Figure
5.
Center
of
Circle
r
Radius
The
radius
of
a
circle
is
measured
in
pixels
and
is
a
numeric
expression
in
the
integer
range.
Radius
is
the
distance
from
the
centerpoint
to
the
edge
of
the
figure.
Although
a
negative
value
will
be
accepted
by
BASICG,
the
results
of
using
a
negative
value
are
unpredictable.
The
radius
is
either
on
the
X-axis
or
Y-axis,
depending
on
the
aspect
ratio
(see
arlo
If
the
aspect
ratio
is
greater
than
1,
the
radius
is
measured
on
the
Y-axis.
If
the
aspect
ratio
is
less
than
or
equal
to
1,
the
radius
is
measured
on
the
X-axis.
----------lIadlelllaell----------
-17-

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Radio Shack 16B Specifications

General IconGeneral
BrandRadio Shack
Model16B
CategoryDesktop
LanguageEnglish

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