Magic Number

Making math easier.

Magic Number 2.7

Important news
A bug in macOS Sierra beta prevents Magic Number from launching.
We are working on an update. Hopefully it will be available in early August.

See better

See your calculations clearly.
See math in absolute beauty.
See better results.

Work faster

Enter your math naturally.
Edit as freely as you want.
Nothing gets in your way.

Enjoy math

Do everyday math with joy.
Solve problems with ease.
Sail through everything.

Icon: Eye

See better

Icon: Write

Work faster

Type naturally

Input Entering

You can be super productive too.

You can do everything
from the keyboard.

And you can go faster
with the easy customizations.

Edit freely

You can click.


Input Clicking

Or use

Input Arrow

You can also insert

 and do much more.

Share beautifully

You can copy or export
expressions as PDFs.



These PDFs are scalable,
thus beautiful at any size.

Expression Export 1

For many people, Magic Number
is their handy equation editor.

Icon: Equal

Enjoy math

Everyday math is a joy


Basic EquationFractions


TimeTime Equation


Tax assignTax Calculation


PercentagePercentage Equation

Complex math simplified

Problem solving

Equation with powerEquation with root
Linear EquationEquation: Law of sines

Superior trigonometry

Radians as Fraction of πTrig Reciprocal
Trig SquareAngle in degrees, minutes, seconds

Complex numbers

Complex 1Complex 2

Engineering formats

Format: EngineeringFormat: SI Prefix

Precision + Extreme

Pi in 25 digitsHuge Number

Icon: Gear

Extra hand

Icon: Function


Over 100 — for age 5 to 105.

  • Arithmetic (6)

    +, –, ×, ÷,
    modulo, quotient

  • Rounding (6)

    round, truncate,
    floor, ceiling,
    integer, fractional part

  • Percentage & Tax (12)

    % change, as % of

    common operations:
    a + b%, a – b%, a × b%

    a inc – b%, a inc × b%

    a + b%^c, a – b%^c,
    a × b%^c

    compound inclusive:
    a inc – b%^c, a inc × b%^c

    More info

  • Roots & Exponents (10)

    √, n√,
    x–1, x2, x3, xY, x1/Y,
    ex, 2x, 10x

  • Logarithm (3)

    loge, log10, log2

  • Angle & Geometry (5)

    convert to radians,
    convert to degrees,
    convert to d° m′ s″,
    hypotenuse, adjacent

  • Trigonometric (12)

    sin, cos, tan,
    sin–1, cos–1, tan–1,
    csc, sec, cot,
    csc–1, sec–1, cot–1

  • Hyperbolic (12)

    sinh, cosh, tanh,
    sinh–1, cosh–1, tanh–1
    csch, sech, coth,
    csch–1, sech–1, coth–1

  • Complex Numbers (6)

    real part, imaginary part,
    argument, absolute value
    conjugate, polar

  • Combinatorics (3)

    Factorial, combinations, permutations

  • Statistical (12)

    sum, count, average, maximum, minimum, median, mode, standard deviation, variance, coefficient of variation, geometric mean, harmonic mean, product

  • Comparison (5)

    max – min,
    max ÷ min, min ÷ max,
    max ∆% min,
    min ∆% max

  • Linear Regression (8)

    Slope, forecast x, forecast y
    x-intercept, y-intercept
    correlation coefficient,
    coefficient of determination,
    standard error of estimate

  • Matrix (4)

    Determinant, inverse, Gaussian elimination, Gauss-Jordan elimination

  • Bitwise Operators (5)

    and, or, exclusive or, nor, not


  • Numeral bases (4)

    Decimal, binary, octal, hexadecimal

  • Numeric formats (6)

    Default decimal,
    fixed decimal places,
    scientific notation,
    engineering notation,
    SI prefix, fraction

  • 25 digits precision
  • 50+ scientific constants
  • 10 variable-like memories
  • 4 customizable tax rates
  • Everything is auto saved
  • History is reusable
  • Global shortcut
  • Easy shortcut customization
  • Option to auto copy result
  • Export expression as PDF

Icon Smiley

What people are saying

  “Fantastic calculator for OS X…
incredibly easy to use”

The Loop

“By far the most flexible and useful calculator
I have on either my Mac or iOS devices.”

KeithRT, USA

“This is to calculators
what the iPhone was to cell phones.”

ArtMonster, USA

“It really is strangely joyful to use…
it just gets the job done without any hesitation,
learning curve, or stupid workarounds.”

Ksnyde, USA

“Die Referenz in Sachen Taschenrechner-App.”

BjoernImNetz, Germany

“This is the kind of app that makes me wish
I had even more reason to use it!”

DavidStevens, UK

“It really helped me get my head around my maths homework
by helping me perform calculations in a more visual and
intuitive way than other scientific calculators…”

Culturion, UK

“It’s not magic, it’s what
calculator apps should have been.”

JayWang, Australia

Magic Number Icon

For Mac.
OS X 10.8 or later.

English, Deutsch,
Español, Français, Italiano.

$ 7.99  /  7.99 €  /  £ 5.99

Available on the Mac App Store

Featured by Apple:
‘Best New Apps’ in January 2014
‘Back to School’ promotion in September 2014

5-star rating

Average App Store
rating across the world.

Tweet us if you have any questions.

For quick answers, here is the online help.