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Numerical³

Numerical³

The Calculator Without Equal

1.3K ratings
492 reviews
📚 Education
🔧 Utilities
Free

Details

Released
February 13, 2014
Updated
November 1, 2026

Features

Developer

Andrew J Clark
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About

A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.

✓No equals button interface
✓Automatic bracket handling
✓Full scientific keypad
✓Today Widget integration
✓Numerical² Keyboard for any app
✓Equation editing
✓Customizable themes
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What users say about Numerical³

Reviews of Numerical³ are mostly positive: the Utilities app is rated 4.8/5 from 1.3K App Store ratings. What users like most: great app, simple and intuitive. Top complaints: bugs and glitches (unresponsive keys, calculation errors), lack of advanced functions (scientific, unit conversion). Summarized from real user reviews.

Positive things

  • 🚀Great app
  • 👍Simple and intuitive
  • 👍Clean and beautiful design
  • 🚀Fast and responsive
  • 👍Customizable themes
  • 👍Useful features (history, editing, no equals)
  • 👍No ads

Negative things

  • 🐛Bugs and glitches (unresponsive keys, calculation errors)
  • 🔍Lack of advanced functions (scientific, unit conversion)
  • 💡Needs more theme options
  • 💡Needs iPad support
  • 💡Needs widget support
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What's New in Numerical³

3.0.17

November 1, 2026

What's new in 3.0.17: • Purple Rain & Citrus Orange — the classic vivid themes are back, with matching Home Screen icons • Keypad page order — when History is Inside Keypad, put History between Simple and Scientific so both keypads are one swipe away • Larger minimum keypad — Snap-to-Size’s smallest height is a bit taller for better touch targets • Home bar cover — optional black bar under the keypad that lifts keys clear of the Home indicator

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User reviews

Most RecentHighest RatedLowest Rated

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10/10 5* #MakeSoftwareNoninvasiveandhelpfulAgain
DDampButterfly65

Improved interface but…….

My favorite calculator app, but it’s no longer as smooth or responsive as it used to be. It lags, and inputs sometimes don’t register when I type quickly. The interface looks good, but it needs further refinement to respond faster and reliably register inputs. I also noticed that swiping left to delete no longer works. Has this feature been removed?!
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IiChristian1999

Response from developer

Hi there, thanks for your review and feedback! Recent updates have greatly improved performance, could you download 3.0.17 and let me know if that works better for you? If not please let me know as I'd love to learn more. hello@manamachineventures.com

Perfect app, before the June update

Not sure why the decision was made to redesign the interface. This has been my preferred calculation app for YEARS. The update is slower reaction time, and miss the clean boxes. The design is annoying now. Looking for a new calc app to replace (unless you can bring back the original)
THThomas Hawkeye

Response from developer

Hi again Thomas, the latest version should greatly improve performance and I'm so sorry it degraded so much for you. Please let me know if it works hello@manamachineventures.com

Can we go back? I don’t like change.

I also do not like the update. I don’t like the new look, and was much happier with everything how it was.
WRWe rheumatologist

Update not for me

I loved this calculator, but the update erased my most recent data, which sucked, and I find it really unintuitive and difficult to use. For example, pressing the calculator keys suddenly requires a lot of effort. This was an easy app that I could count on. I’m sure the update fixed problems for lots of people, but for me it’s just caused problems.
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Mmullk733

Response from developer

Hi there, Sorry to hear the update is not working well for you - our goal is to make the best fastest calculator out there! An upcoming update will address those performance issues so keep an eye out for an update. Regarding your history take a look and see if you have your History set to be Above the keypad, behind it, or even turned off. It's quite likely it's still there, just less obvious. If that doesn't work for you please reach out directly and we can help! Update: Hi again, the latest version is much much faster and should address your issues, give it a shot and please let me know how it goes! Cheers

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User experience

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Reported Bugs

3 issues

Unresponsive keys

Bug

Calculation errors

Bug

Crashes on startup

Bug
✨

Requested Features

5 requests

Add scientific functions (square root, trigonometry, etc.)

Feature

Implement an equals button

Feature

Add more theme options

Feature

Develop an iPad version

Feature

Bring back widget support

Feature

FAQ

What does Numerical² do?

Numerical² is a calculator app designed for both simple and complex calculations. It features a full scientific keypad, automatic bracket handling, and a unique interface where you don't need to press an equals button to get your answer. It also offers features like a Today Widget and a custom keyboard for use in any app.

What are the key features of Numerical²?

Key features include a no-equals button interface, automatic bracket addition, a comprehensive scientific keypad (sin, cos, tan, logs, etc.), fractional math support, equation editing, iCloud syncing for history, a Today Widget, and a custom keyboard. It also boasts a beautiful minimalist design with customizable themes.

How much does Numerical² cost?

Numerical² is a paid application. The price is a one-time purchase, and there are no in-app purchases or advertisements mentioned in the provided description.

What devices is Numerical² compatible with?

Numerical² is designed for iOS devices. It supports landscape mode on iPhones, full iPad Split Screen multitasking, and can be installed as a keyboard to be used within any app on iOS.

How can I use Numerical² to calculate in other apps?

You can install the Numerical² keyboard, which allows you to perform calculations directly within any text field in any iOS app. Simply tap a button, and the calculated answer will be inserted into the text field you are currently using.