A suite of handy methods for doing calculations in irb.
Ruby
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README.md

Magician

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A suite of handy methods for doing calculations in irb.

Installation

Add this line to your application's Gemfile:

gem 'magician'

And then execute:

$ bundle

Or install it yourself as:

$ gem install magician

Documentation

Examples

>> require 'magician'
=> true
>> [1,2,3].sum
=> 6
>> [1,2,3].mean
=> 2.0
>> [1,100,5].range
=> 99
>> [1,2,2,3,3,3].occurences
=> {1=>1, 2=>2, 3=>3}
>> 6.factors
=> [1, 2, 3, 6]
>> 6.divisible? 3
=> true
>> 7.prime?
=> true
>> 5.factorial
=> 120
>> Math.combinations(10,5)
=> 252
>> Math.triplet?(3,4,5)
=> true
>> Math.quadratic(2,1,0)
=> [-0.5, 0.0]
>> 'racecar'.palindrome?
=> true

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