REM 曲線のグラフ(媒介変数表示)
SET WINDOW -0.2,7,-0.2,7
DRAW axes
DEF f(t)=t-SIN(t)
DEF g(t)=1-COS(t)
LET h=0.05
SET LINE COLOR 2
FOR t=0 TO 10-h STEP h 
   PLOT LINES:f(t),g(t);f(t+h),g(t+h)
   WAIT DELAY 0.2
NEXT t
END