I know! My brother, who taught himself to program and is now trying to teach himself theory, is getting hammered by the abrupt shift in difficulty between the type 3 and type 0 language problems, but maybe he'll ask big brother for help.

If you check out the credits page, it will strongly suggest Zachtronics Industries which is attempting to introduce transistor-based circuit design to the Great Unwashed. I seem to remain unwashed as of this moment, but it is intriguing.