16 Best Scientific Calculator Apps For iPhone 2026

Think about those moments when you urgently need to do a calculation, but there is no one around to help you. This is where calculator apps come in handy.

Standard calculator apps cannot always help you solve certain problems, and that’s when you need something more robust like a scientific calculator. Many students also find these apps useful as they offer features beyond simple adding, subtracting, multiplying, and dividing.

A scientific calculator app is a mobile application that performs the functions of a handheld scientific calculator.

There are several scientific calculator apps on the market including Panecal, Free42, Calculator + and others but the best scientific calculator app for iPhone is Expressions. It has a lovely interface and offers very useful features for students, professionals and anyone who needs a solid scientific calculator on the go.

Let’s see how good are these apps.

Best Scientific Calculator App For iPhone

1. The Expressions Calculator App

This app is designed for students and professionals who need to solve complex mathematical problems. The app features a variety of features that make it easy to use, including an intuitive interface, step-by-step instructions, and the ability to save and share your results.

The app also includes a built-in converter that can be used to convert between different units of measurement.

It is optimized for not only high school users but also for college students and professionals.

The app also provides a rich sample of problems and solutions to help users learn how to use the app.

Also, it contains a large set of available units and constants that can be used in calculations.

Beyond that, the app can be used to graph functions and calculate statistics.

What is more, it has a great user interface that is both easy to use and visually appealing.

It can handle both simple and complex calculations, making it one of the best scientific calculator apps for iPhone.

2. Panecal Scientific Calculator

The Panecal Scientific Calculator app is designed for both students and professionals. It has a wide range of features that make it one of the best scientific calculator apps for iPhone. Some of its features include:

• A wide range of functions: The Panecal Scientific Calculator app includes over 100 different functions. This makes it ideal for use in various fields such as mathematics, physics, and chemistry.
• Customizable interface: The app allows you to customize the interface to better suit your needs. For example, you can change the font size and color of the buttons.
• Built-in converter: The Panecal Scientific Calculator app comes with a converter that lets you swiftly change between various units of measurement.
• Support for Apple Watch: The Panecal Scientific Calculator app also supports the Apple Watch. This means that you can use the app on your wristwatch to perform calculations quickly and easily.

3. Free42

Free42 is a free, open-source software application that operates as both a scientific calculator and an emulator for the classic HP-42S scientific calculator.

The source code for Free42 is available under the GNU General Public License, and the binaries are available for other OS.

While most scientific calculators these days are emulators of the original hardware devices, Free42 is a true simulator, created from scratch.

This makes it much more complete and accurate than any other iPhone calculator app, and also allows it to run on platforms other than the iPhone.

Some features of Free42 include:

• RPN and algebraic entry modes: This calculator app supports both Reverse Polish Notation (RPN) and algebraic entry modes.
• Built-in constants and unit conversions: This app comes with a comprehensive list of built-in constants and unit conversions.
• User-defined functions: Functions can be defined by the user and stored for later use.
• Displays up to J10 digits: The display can show up to 10 digits of precision.
• Save and recall memories: This app allows you to save and recall memories for later use.
• Over 240 built-in functions: This calculator app comes with over 240 built-in functions.
• Nine user-configurable buttons: The app has nine user-configurable buttons that can be customized to your needs
• Customizable display skins
• Paper tape

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4. Calculator +

Calculator + is one of the most comprehensive scientific calculators on the App Store. It includes more than 300 different formulas and functions, as well as a built-in unit converter.

It also features an interactive slider that allows you to quickly input values for your calculations. Simply slide your finger across the slider to input the desired value.

The app’s simple design and easy-to-use interface make it a great choice for students and professionals alike.

It has an equation solver that can solve for x in any equation, as well as a graphing calculator that can plot up to four functions at once.

Other features are its support for iCloud, which allows you to sync your calculations across all of your devices, and its ability to share calculations via email or text message.

Calculator+ also recognizes handwriting, so you can write out your calculations on the screen and it will interpret them for you.

5. Xmart Calculator Pro

Xmart Calculator Pro is one of the most popular scientific calculator apps on the App Store. It has a clean and simple interface that makes it easy to use. The app includes a wide range of features such as an equation solver, a graphing calculator, and a unit converter.

Just enter the equation and the app will give you the answer. You can also use the app to plot graphs and solve equations.

The Xmart Calculator Pro has a tracker that allows you to see your calculation history. This is a great feature if you want to go back and check your work.

This is especially useful for students who want to check their work after a test.

Budget, tax, tip, and discount calculations are a breeze with this app. Just enter the numbers and let the app do the rest.

The app also includes a unit converter that can be used to convert between different units of measurement.

Other features include a built-in stopwatch, a timer, and a world clock.

With Xmart Calculator Pro, you can be sure to get an instant result that you can share via airdrop or email.

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6. Sci:Pro Calculator

Sci Pro is another powerful scientific calculator app for iPhone. It has a sleek and user-friendly interface that makes it easy to use. The app also includes a lot of features that are useful for students, such as the ability to plot functions and calculate roots and integrals.

This calculator has three modes: basic, scientific, and programmer. These modes can be accessed by tapping the mode button on the top left corner of the app. The basic mode is great for simple calculations, while the scientific and programmer modes are more suited for complex calculations.

The programmer mode is an interesting addition to the app, as it allows you to input hexadecimal, binary, and octal numbers. This mode is great for students who are studying computer science or engineering.

The app also includes a built-in converter that can be used to convert between different units of measurement. This feature is really useful for students who are studying physics or chemistry.

Sci Pro also has a built-in graphing calculator that can be used to plot functions and calculate roots and integrals. This feature is really useful for students who are studying mathematics.

The app is ad-free so you can use it without any interruptions.

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7. Good Grapher – Scientific Graphing Calculator

Graphing is a critical part of many scientific disciplines, and being able to graph equations quickly and easily is essential for any student or scientist. Good Grapher is one of the best graphing calculator apps available, and it’s easy to see why.

The app allows you to enter equations in standard mathematical notation, and then it will graph the equation for you. You can also use the app to graph multiple equations at once, and it will color-code the different equations so you can easily see them all.

This app is not just applicable to schoolwork. It’s also great for anyone who needs to do quick graphing for their job, or for any other purpose.

It has a history tape so you can go back and see the previous calculations you’ve made.

Visualization on this 2D graphing calculator is excellent. The multi-touch allows you to zoom in and out on the graph, and you can also rotate the graph to get a better view of it.

You can copy and paste equations from other apps, and you can also share your graphs with others.

The app also lets you save your equations and graphs so you can access them later.

If you need a graphing calculator, Good Grapher is one of the best options available.

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8. PCalc Lite

PCalc Lite is often regarded as the best free calculator by many experts. Not just a scientific calculator, it actually contains over 250 units and 27,000 conversions.

This range of options is really helpful for students and professionals in multiple fields. You can also use the PCalc Lite as a replacement for the default iPhone calculator.

Despite its lite status, it is still a powerful calculator for engineers, students, and anyone who needs more than a simple calculator.

It gives you multi-line display, RPN, Reverse Polish Notation support, parentheses, programmability, and unit conversions.

One very interesting fact about this app is its application on an Apple watch. You can actually use this app as a stand-alone Apple Watch calculator.

This means that you can keep your hands free and still perform all the necessary calculations.

You can perform binary and hexadecimal operations and also adjust the angle units between degrees, radians, and grads.

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9. 15C Scientific Calculator by Vicinno

If you are looking for a scientific calculator app with a clean and user-friendly interface, 15C Scientific Calculator is the app for you.

This app is designed to look and feel like a real scientific calculator, making it easy and intuitive to use.

In addition to the standard features you would expect from a scientific calculator, 15C Scientific Calculator also includes an equation solver, unit converter, and a handy reference section.

The app lets you activate and deactivate key click feedback sound, so you can use the app silently if you need to. You can also customize the theme and color of the app to match your personal style.

Some features include:

• Scientific calculator with over 40 built-in functions: It has almost all the features you could want from a scientific calculator.
• Unit converter: Convert between over 30 different units of measurement, including length, mass, temperature, and more.
• Equation solver: Enter an equation and the app will solve it for you.
• Reference section: A handy reference section is included, with information on topics such as math, physics, and chemistry.

10. Calculator #

Calculator # is a free scientific calculator app for iPhone that is packed with features. It has a clean and user-friendly interface that makes it easy to use.

There are many different modes that you can choose from, including a basic mode, an algebra mode, and a calculus mode. Calculator # also supports complex numbers and matrices.

The basic mode of Calculator # is perfect for everyday use. It includes all the basic functions that you would expect from a scientific calculator. The algebra mode is perfect for those who need to do more complex calculations. The calculus mode is perfect for those who need to do derivatives and integrals.

One thing to note about Calculator # is that it does have a 2D graph that you can use. However, it does not have a 3D graph.

It is available in multiple languages, including English, Spanish, French, German, Italian, Portuguese, and Russian.

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11. EduCalc

If you are looking for a scientific graphing calculator that is easy to use and has all the features you need, then the EduCalc app is the perfect choice for you.

This app offers a wide range of features including the ability to graph multiple functions, plot points, and even find intersections.

You can also perform statistical calculations and use the built-in converter to quickly convert between different units.

Its graphics capabilities are impressive and easy to use. You also get access to a triangle and polynomial solver.

Other features of this app include the ability to plot parametric equations, polar equations, and 3D functions.

You can also save your work so that you can continue working on it later.

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12. Talking Scientific Calculator

Talking Scientific Calculator is another app you can use. It has a great design and is very easy to use.

It also includes a lot of features that other scientific calculator apps don’t have, such as the ability to plot functions and calculate derivatives.

One of the biggest advantages of this app is its VoiceOver support. This means that it can be used by blind or visually impaired people.

The VoiceOver feature is very well done and makes using the app a breeze.

More than just a scientific calculator, Talking Scientific Calculator also includes a converter, so you can easily convert between different units of measurement.

There’s also a built-in recording studio, so you can record your calculations and review them later.

The calculator has two entry modes – Standard and Formular. The Standard mode is the traditional way of entering numbers, while the Formular mode allows you to input equations.

You can also use the app in landscape or portrait mode, depending on your preference.

If you’re looking for a scientific calculator app that does it all, Talking Scientific Calculator is the one for you.

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13. Calc 2M

Calc 2M is another popular scientific calculator app for iPhone. It has a clean and user-friendly interface with a wide range of features that makes calculations easier than ever.

The app includes a scientific calculator, unit converter, currency converter, and more. It also supports Apple Watch so you can access your calculations on your wrist.

Some features that make Calc 2M stand out from other scientific calculator apps are its advanced functions, Split Screen mode, and Dark Mode support.

It also supports 3D Touch so you can access your most used functions quickly and easily.

Calc 2M drag and drop support also makes it easy to move data between apps.

You can install a widget to quickly access your most used functions. You can also customize the app to suit your needs.

14. Natural Scientific Calculator

The Natural Scientific Calculator is one of the best scientific calculator apps for iPhone. This app is designed for students, teachers, and professionals who need to perform complex mathematical calculations.

The app screen is divided into two parts: the main calculator and the scientific functions. The app includes a wide range of features such as trigonometric functions, logarithms, permutations, and combinations.

You can also perform calculations in degrees or radians. The Natural Scientific Calculator app is available for free on the App Store.

With this app, you can perform addition, subtraction, multiplication, division, and roots with ease. The Natural Scientific Calculator also provides a graphing feature that lets you visualize your calculation results.

It has a premium version called the NSC plus. This app unlocks all the features of the app including the graphing feature.

15. MyScript Calculator

This is one of the most unique scientific calculators on the App Store. MyScript Calculator allows you to write down your calculations on the screen as if you were doing them on paper.

It then converts your handwritten equations into digital text and solves them for you. It’s a great app for those who are visual learners or just prefer to write their calculations down.

To delete any of your previous calculations, just strike through them or rub off the part that you want to delete.

This app also has a built-in graphing calculator so you can visualize your equations. And if you need more help, there is a step-by-step guide that can walk you through the solution.

MyScript Calculator has an automatic calculator that updates as you change your input. So if you make a mistake, you can just fix it without having to start all over again.

There is still a manual option that allows you to control the order of operations. This is great for those who want more control over their calculations or are just getting started with using a scientific calculator.

However, most users prefer the automatic calculator because it’s more user-friendly and less error-prone.

This app also allows you to save your calculations so you can come back to them later or use them as templates for future calculations.

Overall, MyScript Calculator is a great scientific calculator app with a unique handwritten input method. It’s perfect for those who want more control over their calculations or prefer to write them down.

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16. Desmos Graphing Calculator

Last but not least is the Desmos Graphing Calculator. It is one of the most feature-rich scientific calculator apps on the App Store. The app allows you to graph functions and plot data in the form of charts and graphs.

The app has a projector mode where you can adjust settings to the radian or degree mode. You can also change the theme of the app to match your mood.

You can also use the app to solve equations and find roots and intercepts of functions. The app also supports complex numbers and matrices.

Summary

There you have it, the best scientific calculator apps for iPhone. While all of them have different features, they are all great for making calculations easier.

If you ask me, my favorite is The Expressions Calculator. Not only does it have a great design, but it also provides a large number of features that are perfect for students and professionals.

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