ThinkCalculator is described as 'Think calculator for Finance, Math, Geometry, Converter, Physic & Chemistry, Webtoolsm Date and time and more' and is an website in the Education & Reference category. There are more than 25 alternatives to ThinkCalculator, not only websites but also apps for a variety of platforms, including Android, Windows, Linux and Mac. The best alternative is SpeedCrunch, which is both free and Open Source. Other great sites and apps similar to ThinkCalculator are Wolfram Alpha (Freemium), Qalculate! (Free, Open Source), Mathematica (Paid) and fxSolver (Free).
- 40 alternatives