Small download, fancy GUI, but it only gives you 7 tries then it turns into $hareware if U want to take more tests.

Apparently the developer of this program and others in his arsenal are under the mistaken impression that backpropagation neural net algorithms exist in the brain and form the basis for the learning part of the program.

Backpropagation has always been known as a contrivance of programmers simply based on a simple system of differential equations. There is no evidence that BP exists in the brain!