Mac App Store

Mac App Store

Mac App Store is the simplest way to find and download apps for your Mac.

To download Magic Number – A Better Calculator from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.

Magic Number – A Better Calculator

By Seed Ltd.

Open the Mac App Store to buy and download apps.


• On sale for a limited time. •
(Regular price: $9.99 USD.)

Magic Number is an intelligent calculator you will enjoy.



•  A better view of your calculation.
•  A more intuitive way to enter and edit.
•  The ease for everyday use.
•  The power to tackle advanced problems.

Seeing is everything:

•  Your calculation is beautifully and mathematically formatted.
    Everything is easier to understand.
•  You see the whole expression. You are less likely to make mistakes.
•  To see it bigger, just resize the window.
•  You also have extensive viewing options.

Enter naturally and quickly:

•  Enter the way you see it.
    For example: 2 sin 9 + 3
    On a typical calculator, you enter: 2 x 9 sin + 3
    On others, you enter: 2 * sin(9) + 3
    On Magic Number: 2 sin 9 + 3
•  Lots of easy and convenient shortcuts.
•  Yes, you can press X to multiply.

Edit without thinking:

•  It’s faster and easier than any editor!
•  Made a mistake? Just click and type over it.
•  You can navigate with just the left or right arrow keys.

Calculate intelligently:

•  You can work with any type of numbers:
    fractions, percentages, and even complex numbers.
•  Magic Number can solve linear algebraic equations.
    Enter: 100 – ? = 55. Result: ? = 45
    Enter: 240 – ? % = 192. Result: ? = 20
•  With ‘History’, you can reuse previous calculations.
•  Use ‘Data’ to add a list of numbers quickly.

Lots of useful features:

•  Over 100 functions
•  25 digits accuracy
•  10 memories (variables)
•  4 customizable tax rates
•  Over 50 scientific constants
•  Statistics (via ‘Data’)
•  Linear regression (via ‘2D-data’)
•  Matrix (Inverse, determinant, linear equations via Gauss-Jordan Elimination)

What's New in Version 2.1.1

More refinements. More hidden gems. Bug fixes too. Check it out:

•  Detail matters. You get a more refined app with more shortcuts.
•  Fixed an obscure bug: When using inverse tangent with certain values
    it freezes the app.
•  Fixed an UI bug related to tax.


If you enjoy using Magic Number, please take a moment to rate it. Thanks for your support!


Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4
Screenshot 5
Magic Number – A Better Calculator
View in Mac App Store
  • $6.99
  • Category: Productivity
  • Updated: Mar 18, 2014
  • Version: 2.1.1
  • Size: 5.2 MB
  • Languages: English, French, German, Italian, Spanish
  • Seller: Dennis Liu

Compatibility: OS X 10.7 or later, 64-bit processor

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.
All Versions: