Apps similar to Arity include Numi, which has a free version. Other options are Calculator++, MyScript Calculator, Apple Calculator and handyCalc. You can choose from more than 10 Calculators like Arity for Android, iPhone, Mac, Windows and iPad.
Pocket PC calculator for scientific and engineering purposes. This calculator is very bright and easy to use, supports more than 50 functions. The Engineering Calculator has been nominated as the Best Pocket PC Software by Pocket.at in the EUROPE POCKET PC AWARD 2002.
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United States
The debut product produced by Chiu Software Systems is BiM, short for "Bc iMproved". BiM is a calculator alternative to the default OS X calculator and is built on the UNIX program "bc".
Calculator is a simple 4 function calculator, with a panel that has more advanced functions when you need them. It includes history, real time graphing, base conversion, and more. It also comes with a lockscreen widget, a floating calculator, and a wear app so you can use...
simple modern calculator that doesn't make you mash buttons. Accepts full mathematical expressions, for example:
