Specialist calculator applications are being used a lot on smartphones. Well, they are helping us to solve great scientific problems. We have collected most popular such calculator applications for Apple iOS platform in the below post. Let us know if we missed some good apps. Comments section is open!

### 1. Free Graphing Calculator By William Jockusch

A powerful, flexible graphing calculator . . . and it’s free!

Does way more than most of the paid calculators out there . . . let alone the free ones.

Scientific Calculator. Simple to grasp and easy to use, but powerful features are available when you need them. Available functions include the following:

• the usual arithmetic functions and exponentiation. • square root, cube root, nth root, natural log, log base 10, log of arbitrary base, absolute value, factorial, permutations (nPr), combinations (nCr), modulus, random integer, bell curve, cumulative normal distribution, decimal to fraction.

### 2. Free RPN Calc By Thomas Chapuis

A free scientific RPN (reverse polish notation) calculator for everyone.

This calculator offers three display formats:

- standard

- scientific: number always displayed with Exx

- engineer: number displayed with Exx format where xx is a multiple of 3.

You toggle between these three formats by pressing the “Format” key.

### 3. Graphing Calculator+ by xNeat.com

Graphing Calculator+ is an iPhone calculator replacement designed with simplicity, usability, and beauty in mind… After installing Graphing Calculator+ you get access to 5 different calculators: 1- Graphing calculator 2- Handwriting calculator 3- Scientific calculator 4- Quadratic & Cubic equation solver 5- System of linear equations solver

### 4. Graphicus Graphing Calculator by Serafim Chekalkin

Want a powerful graphing calculator that works with the touch of a button? Then step up to Graphicus. Plotting, roots, points of inflection and much more is now done easily with attractive results. All you have to do is download the app and use the multi-touch interface. Click “…More” to learn why you should download this App today!

### 5. Symbolic Calculator by Janos Barkai

With full-featured algebra capabilites on par with high-end scientific calculators this applications lets you perform all kind of different operations from the simplest multiplications to computing the integrals of the most complicated functions. (see the screenshots for examples!)

### 6. Graph It by Tezmo

Finally a user-friendly graphing calculator for iPhone and iPod Touch, with all the features you’ve been looking for.

The blazingly fast mathematical engine optimized specifically for the platform enables novel features such as: real-time smooth scrolling with acceleration, integrals with awesome precision, intersections and much, much more. Some of these features, such as the real-time smooth scrolling, are not even present on advanced graphing calculators for desktop computers!

### 7. Graphing Calculator By Gabor Nagy

Time Magazine selected “Graphing Calculator” as one of the top 10 back-to-school iPhone applications. Graphing Calculator turns your phone or iPod into an intuitive high-resolution function plotter and scientific calculator. Includes a powerful, yet easy to use scientific calculator.

### 8. Graphing Calculator 3D By Alterme Inc

It is the scientific graphing calculator which can plot 2D and 3D graph. It is similar to Texas Instruments TI-83, TI-84. It has more features such as plotting 3D graph for mathematics functions.

News: This app supports iPad natively with full width and height.

### 9. InfoHP12C

The HP-12C is a financial programmable calculator. Time value of money Cash flow analysis Ammortization Depreciation Bonds and calendar functions RPN entry Programmable

### 10. Missing Calculator

Programmer’s Hexadecimal, Decimal, Octal and Binary Calculator.

The Calculator of Mac OS X has 3 modes. Basic, Scientific and Programmer. But the Calculator of iPhone/iPod touch does not have Programmer mode. The Missing Calculator provides the Programmer’s calculator. The Missing Calculator operates on and displays 64 bits of data. Do you want to know what it exactly does? Launch the Calculator of Mac OS X in programmer’s calculator mode and there you go.

Device type(s) the application is designed for (iPhone and/or iPod touch)

### 11. Powerone LE by Infinity Softworks

Powerone combines an algebraic and RPN calculator with simple, customizable, spreadsheet-like templates, giving you hundreds to choose from. Create your own, keep a history and share with others.

### 12. Quick graph by Columbiamug

Quick Graph is a powerful, high quality, graphic calculator that takes full advantage of the multitouch display and the powerful graphic capabilities of the iPad and iPhone, both in 2D and 3D. A simple, yet intuitive interface that makes it easy to enter and/or edit equations and visualize them in mathematical notation.

### 13. TouchCalc 1.3 By Alexander Clauss

TouchCalc is a comfortable calculator program and offers several different modes.

The scientific mode offers all the usual functions and operations like the basic arithmetical operations, power, logarithm, roots, trigonometry etc.

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Panoramic Calc Pro for iPhone has just been released. Check it out here:

http://www.panoramicsoft.com/iphone/calcpro/CalcPro.php

http://itunes.apple.com/us/app/soolver-calculator-lite/id521680211?mt=8 – free online step-by-step calculator Soolver.

Thanks Patrick – I didn’t realize it was available for iPhone – Calc Pro rocks!

A new entry just came out: JSCalculator is a very flexible, very original new approach. It allows to work with formula that use the Java Script syntax, which provides vastly more flexibility than apps that simply imitate electronic calculators. JSCalculators also has several constants of nature predefined.

http://itunes.apple.com/us/app/jscalculator/id443347724?mt=8

Wiser Calc is now available. It layouts math expressions nicely and instantly as you would see on textbooks.

http://itunes.apple.com/us/app/wiser-calc/id446417740?mt=8

‘BalloonCalc – Scientific Calculator with Unit System’ has been released. It is a fun and powerful calculator that can calculate arithmetic, scientific and engineering expressions and show answers as balloons like SMS messaging apps. BalloonCalc can also recognize, analyze and convert SI / US / Imperial units.

http://itunes.apple.com/us/app/ballooncalc-scientific-calculator/id492064195?mt=8

As the developer I may be biased but I suggest taking a look at Perpenso Calc. It is five calculators in one: scientific, statistics, business, hex and bill/tip. With its support for RPN, fractions, complex numbers and many other features it is comparable to traditional handheld calculators. Worksheets offer a more natural way to enter, edit and view data and to perform some common calculations. iPad specific functionality includes customizable display lines.

A related iPhone app, Perpenso Calc 4, is a lite app and is upgradable to full via In-App Purchase.

http://www.perpenso.com/calc/calc3.html

Poolicz Calculator – free and step-by-step!

Calc 2m it’s a good calculator!

New Calculator HD was released with innovative feature of favorite functions – https://itunes.apple.com/app/calculator-hd-beautiful-personal/id781396939?mt=8

Hi Thomas, thanks for update. There are quite few of these calculators out there now

PhySy has released PhySyCalc, the only calculator on the app store with units. And we’re not talking about a unit conversion app. PhySyCalc is a full blown scientific calculator that can add, subtract, multiply, divide, raise to powers, and do many other operations with numbers and units representing actual physical quantities.

Thanks Corbett, PhySyCalc looks nice.