<s>
IBM	B-Device
Personal	I-Device
Computer	I-Device
Picture	O
Graphics	O
System	O
(	O
PCPG	O
)	O
is	O
a	O
software	O
developed	O
in	O
BASIC	O
by	O
Eugene	O
Ying	O
in	O
the	O
1980s	O
,	O
for	O
the	O
IBM	B-Device
PC	I-Device
operating	O
system	O
.	O
</s>
<s>
PCPG	O
is	O
designed	O
to	O
work	O
on	O
IBM	B-Device
PCs	I-Device
and	O
compatible	O
,	O
running	O
MS-DOS	B-Application
(	O
and	O
MS	B-Application
Windows	I-Application
)	O
.	O
</s>
<s>
It	O
can	O
be	O
stored	O
and	O
loaded	O
from	O
a	O
360K	B-Device
5	O
"	O
1/4	O
floppy	B-Device
disk	I-Device
.	O
</s>
<s>
Operates	O
with	O
keyboard	B-Device
.	O
</s>
<s>
Allows	O
to	O
draw	O
Polygons	B-General_Concept
,	O
Involutes	O
,	O
Hypocycloid	O
,	O
Epicycloid	O
,	O
Rose	O
,	O
Sinusoid	O
from	O
%1	O
data	O
.	O
</s>
