The Best 5 OBphasor Alternatives

  • RealCalc Scientific Calculator

    RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing.

    Freemium Android

  • eCalc Scientific Calculator

    An easy to use scientific calculator with many advanced features to help you solve algebra, trigonometry, and engineering math problems. The calculator comes with six...

    Commercial Mac OS X Windows

  • Engineering Calculator

    Pocket PC calculator for scientific and engineering purposes. This calculator is very bright and easy to use, supports more than 50 functions. The Engineering...

    Free Personal Windows Mobile