Reverse polish notation calculator iphone app

Along with the regular gamut of calculations, Calzy also handles expressions, parentheses, and currency rounding. Calzy proclaims it has "no unnecessary scientific operators," so it definitely will not be for those who want many different operators for complex calculations. But it certainly is among the best-looking calculators found in the App Store and has plenty of functionality that should meet the needs of most users. Along with the standard buttons it also supports scientific, graphing, and programming calculations.

Switching among the different calculator configurations is easy—just swipe either direction to do so. The graphing calculator performs very well and pops out with full-screen graphs. The other formats stick to the same, minimalist design and work in either portrait or landscape mode. The powerOne Pro financial calculator has plenty of tools to determine mortgage payments or work with interest rates. It offers calculations for a k account, auto loan, interest rates, and other formulas useful for business or finance.


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The graphing function can graph out the calculations, useful for an auto or home loan amortization or to track investments. If you want to have access to past calculations for comparison purposes you can save and name them. If someone else has the app you can email the results and they can view the calculations in the app on their own device.

PowerOne makes five other calculators for specific purposes like scientific, medical, and conversion. They all have a similar design, though it would be nice if there was some kind of all-in-one option instead of needing to buy multiple apps.


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The right calculator is going to vary based on your needs. While all of the apps on this list are excellent choices, some are going to be geared for calculus, graphing, or other specific tasks while some may just want a calculator for paying the bills or finding how much to tip. So before you pull the trigger it's worth reading the App Store description to get the full picture and find out if that is what you want. Derek Walter is a freelance technology writer based in Northern California.

The OS and Home screen. PCalc 3 review: Standout iOS calculator gains programmability and polish.

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The best calculator apps for the iPhone and iPad. Change Apple Watch app grid to list view. At a Glance. Andrew Wei Calculator3. Cogeon GmbH Math Generic Company Place Holder Digits. Andreas Karlsson Tydlig.

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WapleStuff Calzy. Best all-around: PCalc iTunes PCalc can handle just about any kind of math you can throw at it. Best for day-to-day use: Digits Digits lets you view and edit a tape to keep track of calculations. Another power choice: Good alternatives Math 42 Math 42 is one part calculator and one part math tutorial.

Best for day-to-day use: Digits

Tydlig Tydlig ditches the traditional calculator screen and puts everything on a blank canvas. Calzy Calzy is a minimalist calculator with a calculation history. Touch and hold anywhere on the tape to edit it or add comments. Calculator 3 Get a good-looking calculator with some powerful features with Calculator 3. Bottom line The right calculator is going to vary based on your needs. A quick primer on reverse Polish notation, which stemmed from the work of Polish logician Jan Lukasiewicz: If you want to add 2 and 4, you type 2 "enter" 4 "plus.

iPhone Screenshots

It should be noted that HP also announced versions of its HP 35s scientific calculator, 12c Platinum financial calculator, and 20b business-consultant calculator for Windows computers, too. They of course work with HP's touch-screen PCs, too, if you want to get closer to the original calculator experience.


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And being full-fledged emulators of the original calculator hardware, the software products perform all the originals' functions, such the 15c's ability to run primitive programs. And tapping the HP logo on the calculator application shows the condensed reference guide that appears on the back of the real-world calculators.

The Windows versions are nice, but I like the iPhone version better.

The best iOS calculator apps

It's just about the right size, fitting neatly in your hand for that old-school calculator feel and making a satisfying clicking noise when you push the buttons. It goes where my phone goes. And even if he never learns reverse Polish notation, my son will get to see how high he can make it count. Star Wars Episode 9 filming wraps: But where's that title? Director J. Abrams says the milestone "feels impossible. The great white shark's genetic healing powers have been decoded: We know more about how they potentially stave off cancer.

Be respectful, keep it civil and stay on topic. We delete comments that violate our policy , which we encourage you to read. Discussion threads can be closed at any time at our discretion. Don't show this again. Culture HP reincarnates calculators on iPhone, Windows Hewlett-Packard has given new life to its calculator history through applications for the iPhone and Windows. In vertical orientation, the calculator app shows a basic set of functions. HP reincarnates calculators on iPhone, Windows Sign in to comment Be respectful, keep it civil and stay on topic.