No more flash cards and helpless memorization!

Get results quicker by using your senses and rhythm to build memory - the same way you learn songs and languages. Turn on the voice feature to both hear and see each problem and answer in training. Practice 3 times a day per number set and become an expert in two weeks or less.

Ready to test your new skill? Test yourself without the answers and work your way to 100% scores. Challenge yourself further with a 30-second time trial and compete with your own top score.