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10 CLS 20 A=0.5 30 L=8 40 S=2 50 X0=40 60 Y0=15 70 DEF FN X(W)=S*A*W*SIN(W)+X0 80 DEF FN Y(W)=A*W*COS(W)+Y0 100 FOR W=0 TO 3.14*L STEP 0.1 110 LOCATE FN X(W),FN Y(W) 120 PUT "x" 130 NEXT 300 PRINT
