Brain Builder Calculus is a math game based on basic Calculus. This game challenges users to improve their abilities and speed with Limits, derivatives, and Integrals. The user is scored based on the time it takes them to answer a certain number of questions with a penalty for every wrong answer. Users can select the calculus function that is most difficult for them and can receive immediately feedback if they select the wrong answer. This game is targeted for anyone who is in a high school or college calculus course.