>>179 ! f(x) = sin(1/x) DEF f(x) = SIN(1/x) SET WINDOW -2,2,-2,2 DRAW GRID(0.5,0.5) FOR x=-2 TO 2 STEP 0.01 WHEN EXCEPTION IN PLOT LINES: x, f(x); USE PLOT LINES END WHEN NEXT x END
! f(x) = cos(x^2) DEF f(x) = COS(x^2) SET WINDOW -0.1,4,-2.05,2.05 DRAW GRID(0.5,0.5) FOR x=0 TO 4 STEP 0.01 WHEN EXCEPTION IN PLOT LINES: x, f(x); USE PLOT LINES END WHEN NEXT x END