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.
Cost / License
- Free
- Proprietary
Austria
EUPlatforms
- Online
+1
Project Euler Alternatives
Project Euler is described as 'Series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve' and is a Code Learning service in the development category. There are more than 25 alternatives to Project Euler, not only websites but also apps for a variety of platforms, including Android, Mac, Windows and SaaS apps. The best Project Euler alternative is Khan Academy, which is free. Other great sites and apps similar to Project Euler are exercism, LeetCode, HackerRank and Codewars.