Open up the top menu and press the button that says "Create Programs with SmileBASIC". Next press the button EDIT button in the bottom left corner. type in: GCLS FOR I=256 TO 0 STEP -1 C=COS(RAD(I/2))*256 GCIRCLE 200,120,I,RGB(0,0,C) GPAINT 200,120,RGB(0,0,C) NEXT Finally press the start button and watch the magic happen.