Calcora - Practice Math Problems is described as 'Calcora is a free platform for practicing olympiad-style math problems of all difficulty levels. Solve problems, maintain your streak, and compete with friends on the leaderboard' and is an website in the education & reference category. There are four alternatives to Calcora - Practice Math Problems, not only websites but also apps for Android, iPhone, iPad and Android Tablet. The best Calcora - Practice Math Problems alternative is Khan Academy, which is free. Other great sites and apps similar to Calcora - Practice Math Problems are Brilliant.org, LeetCode and Project Euler.
Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.
United States
Brilliant.org, also known as Brilliant, is a website and associated community that features problems and courses in mathematics, physics, quantitative finance, and computer science.
United States
LeetCode is a platform for learning and improving coding skills with the goal of being fully prepared for programming interviews. Choose problems to solve from categories such as System Design, Algorithms and Database, join code contests and engage in mock interviews.
United States
Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
