Cost / License
- Freemium
- Proprietary
Platforms
- Windows

ReCalc is described as 'A modern calculator using Wolfram Alpha' and is a Calculator in the education & reference category. There are more than 50 alternatives to ReCalc, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Mac apps. The best ReCalc alternative is Wolfram Alpha, which is free. Other great sites and apps similar to ReCalc are Mathematica, fxSolver, Numbat and Soulver.

MetaNumbers is a math tool providing information about any positive natural number (up to 2^63-1): prime decomposition, divisors, arithmetic properties (used in the field of number theory), base conversion, etc.



