Talk:Learning Petit Lesson 2b: Loops/@comment-73.201.244.209-20150728234840/@comment-24739388-20150729111817

To make a FOR loop count backwards, you need to include the STEP parameter. STEP changes how much the variable is incremented/decremented each loop. The default step is 1, and because you can't go from 99 to 1 by adding 1, the loop never executes.

Try FOR X=99 TO 1 STEP -1 and see if that works.