ALEKS, yes, or maybe better Alcumus - more interesting mathematically, and has the property, which just might be relevant, that you have the chance to rate the problem and the worked solution, saying how much you learned from it. Sounds as though a bit of metacognition is in order here and that might just help!
What these suggestions have in common is that they take out the ability to bluff - they are computer programs to which you have to give just an answer, which is either right or wrong, no argument.
