PCalc is described as «is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator» and is a Calculator in the education & reference category. There are more than 100 alternatives to PCalc for a variety of platforms, including Android, Mac, Windows, Online / Web-based and Android Tablet. The best alternative is SpeedCrunch, which is both free and Open Source. Other great apps like PCalc are Wolfram Alpha, Qalculate!, fxSolver and Windows Calculator.
