Paper self test:

1.  For each command write the sequence that will be generated:
A.  GROWBY 20% 8 [FD 40]
B.  GROWGBY 100% 10 [FD 1]
C.  GROWBY -10% 12 [FD 200]
D.  GROWBY 10% 7 [FD 60]

2.  Write commands using GROWBY or GROWGBY
A. BOX 20 20 BOX 30 30 BOX 40 40 BOX 50 50 BOX 60 60
B. CIRCLE 100 CIRCLE 90 CIRCLE 80 CIRCLE 70 CIRCLE 60 CIRCLE 50
C. CIRCLE 100 CIRCLE 90 CIRCLE 81 CIRCLE  72.9 CIRCLE 65.61 CIRCLE 59.049
D. FD 1 RT 1 FD 1.0001 RT 1  FD 1.00020001 RT 1 etc......(10,000 times)

2.  Write commands that will generate picture similar to those:

A. The boxes are rotated by 1 degree
     Each time.

B.  Here also the rotation is by 1 degree
but there is a slight difference.