It's nice to have an educational game every now and then. I didn't' like this, because it wasn't anything out of the ordinary. It was just flipping cards. It would have been better if you had just told us to solve problems. This doesn't seem to help that much. I'm in statistics class.
This sort of thing doesn't help me much anyway. There should be sounds. I guess it's a harmless game. The equations are correct. You need more entertainment in your edutainment.