brendanstennett / unicode_math

Fun Ruby extensions for doing math with Unicode

unicode_math ☻

You can have lots of fun with unicode in Ruby. Here are a few ways, and we'd love to see more!

Usage

Fractions

You can use many fractions as literals:

⅞ * 5
30 + ½
⅖ / ⅙

Roots

You can use square root, cube root, and fourth root:

√ 4
∛ 27
∜ 81

Trigonometry

There's a sine wave unicode character, so we can calculate sine of a number:

∿ π/2

Constants

Easily use unicode costants:

π
τ
𝑒
∞

And have fun with them:

(-∞..∞).cover? ∞ + 1

Exponents

You can raise to the powers of 0–9 as well as arbitrary numbers:

2.⁷
1.617 * 10.ⁿ(13)

Division

21.÷ 7
6.⟌ 24

Installation

Add this line to your application's Gemfile:

gem 'unicode_math'

And then execute:

$ bundle

Or install it yourself as:

$ gem install unicode_math

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request