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"Origin of species"

S.Mustonen (1976), Survo Users' Guide (1992), p. 331

Edit field:

   1 *
   2 *     "Origin of species" 
   3 *
   4 *XDIV=0,1,0 YDIV=0,1,0 SIZE=1164,1164 HEADER= FRAME=3
   5 *A=-8,10,1        B=-8,10,1        T=0,2*pi,pi/30 pi=3.14159265
   6 *XSCALE=-9,11     YSCALE=-9,11     DEVICE=PS,SPECIES.PS
   7 *
   8 *PLOT X(T)=A+0.225*SIN(T)+0.139*SIN(A*T)+0.086*SIN(B*T), 
   9 *     Y(T)=B+0.225*COS(T)+0.139*COS(A*T)+0.086*COS(B*T) 
  10 *

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