ANSWERS TO POSTSCRIPT EXERCISES 

 1. 16 = 2^4

 2. 1

 3. 65536 = 2^2^4 (A few more "dup mul" operations would calculate some
    truly huge integers: PostScript eventually represents them as
    "infinity" rather than overflowing.)

 4.    1   1   2   3   5   8  (Fibonacci numbers.)

 5.    1   1   2   3   5   8   13   21   34   55   89   144

 6. Draws an "X".

 7. Same thing.
 
 8. Same thing.
 
 9. 
       %!
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       0 100 rlineto 
       150 300 moveto 
       100 0 rlineto
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