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QuickBASIC Tokenized Source  |  1995-01-09  |  1KB  |  10 lines
  1. constry
  2. theta
  3. coTAN
  4. nu2d2r2u2l2
  5. bf1p1
  6. (iterations = pi * ?/2; coarseness = STEP .?)S
  7. r * -COS(theta) - 2 makes butterfly face left
  8. y * ? controls tightness of butterfly wings;
  9. smaller ?, tighter wings
  10.