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