

If the other apps on this list are too simplistic for you, this is the one to go for. There are also unit conversion functions, a wide range of mathematical constants, undo and redo functions, and support for hexadecimal, octal, and binary calculations. Importantly, the app also offers an RPN mode, letting users eliminate any ambiguity over operator precedence in complicated calculations. Some users of the app - the real diehards - have even used it to recreate vintage HP calculators from decades ago. The level of customization offered is impressive, with the app letting you choose whichever button layout you want. Rather than targeting the general public, it’s aimed squarely at scientists, engineers, students, programmers, or anyone with a particular love for well-made calculators. It may be $10, but PCalc is pretty much the most hardcore calculator app in the universe.
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The app also offers customizable themes, the ability to copy and paste, and a home screen widget. The Options Pricing Calculator is a free App that allows users to price options using a 'what-if' type analysis We don’t stop at hardware The Calculator program has a long associated history with the beginning of the Macintosh platform, where a simple four-function calculator program was a standard desk accessory from the If resetting it. One other very handy feature is the ability to use the app as a thumbnail window-in-a-window over other apps, so you can check, say, your bank balance in your browser and still perform calculations. It also lets you plot 2D and 3D graphs, allowing you to plot multiple functions at the same time. It can be used as a basic and scientific calculator, with a wide selection of functions and mathematical constants, as well as the ability to add your own functions. One of its most distinctive features is that it uses gestures, so you can swipe up or down on particular buttons to use them in different ways or simply tap them to use them in yet another. Here’s a deceptively complex calculator app that hides behind a logical and non-threatening layout.
