print "1in=",1in
print "1cm=",1cm
print "1mm=",1mm
print "1pt=",1pt
print "1px=",1px
print "1pc=",1pc
scale = 0.25
circle "in" radius 1in
circle "cm" radius 2.54cm
circle "mm" radius 25.4mm
circle "pt" radius 72pt
circle "px" radius 96px
circle "pc" radius 6pc

circle "in" radius 0.5*1in with .n at s of 1st circle
circle "cm" radius 0.5*2.54cm
circle "mm" radius 25.4mm * 0.5
circle "pt" radius 72pt * 0.5
circle "px" radius 96px * 0.5
circle "pc" radius 6pc  * 0.5
