The best way to learn math is by doing it, but sometimes we need a little more experience and we dont have the time. Calculus Cards is an IOS based game that helps you remember derivatives and integral formulas, while recognizing trigonmetric patterns.
Link to repo: https://github.com/Carpk/calc-cards
Straight forward design with four large buttons to choose with a simple tap to check your answer.
You got it correct! You're starting to know your stuff!
The wrong answer page is still in development, but future versions will display the correct answer along with counter to display how many correct answers you've gotten so far.