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Text File  |  1997-06-22  |  73 b   |  4 lines  |  [TEXT/ttxt]
  1. x=20*(u-0.5);
  2. y=20*(v-0.5);
  3. r=(x*x+y*y)/8;
  4. z=(1+p2)*6*cos(r+p1*PI)/(1+r);