Expression 5: "b" equals StartFraction, pi Over "N" , EndFractionb=πN
5
Expression 6: "t" equals tangent left parenthesis, "b" , right parenthesist=tanb
6
Expression 7: "s" equals StartFraction, "r" Subscript, 0 , Baseline "t" Over StartRoot, 1 plus "t" squared , EndRoot minus "r" Subscript, 0 , Baseline , EndFractions=r0t1+t2−r0
7
Expression 8: "d" left parenthesis, "x" , "y" , right parenthesis equals "l" left parenthesis, "x" , "y" , right parenthesis times left parenthesis, "s" times cos left parenthesis, "a" left parenthesis, "x" , "y" , right parenthesis , right parenthesis plus abs left parenthesis, sin left parenthesis, "a" left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesisdx,y=lx,y·s·cosax,y+abssinax,y
8
Expression 9: "d" left parenthesis, "x" , "y" , right parenthesis plus 0 equals "s" times floor left parenthesis, "l" left parenthesis, "x" , "y" , right parenthesis plus 1. , right parenthesisdx,y+0=s·floorlx,y+1.
9
Expression 10: "d" left parenthesis, "x" , "y" , right parenthesis less than or equal to "s"dx,y≤s