Environment for creative processing of text and numerical data

Thing

S.Mustonen, Survo Users' Guide (1992), p. 334

Edit field:

   1 *
   2 *XSCALE=-10,10 YSCALE=-14,14 FRAME=3
   3 *SIZE=1164,1630 XDIV=0,1,0 YDIV=0,1,0
   4 *a=53 t=[line_width(0.48)],0,50*pi,pi/150 pi=3.14159
   5 *HEADER=  DEVICE=PS,THING.PS
   6 *PLOT X(t)=8*sin(int(0.3*t))+0.8*sin(a*t)*cos(t), 
   7 *     Y(t)=12*sin(int(0.35*t))+0.8*sin(a*t)*sin(t) 
   8 *

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