A library for building, manipulating, displaying, and solving math expressions using a fluent API.

Add this line to your application's Gemfile:

gem 'nelson'

And then execute:

$ bundle

Or install it yourself as:

$ gem install nelson

expression = Nelson.product_of(6).and(5).square.build
expression.to_s #=> (6*5)^2
expression.evaluate #=> 900

After checking out the repo, run bin/setup to install dependencies. Then, run rake rspec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/pducks32/nelson.

The gem is available as open source under the terms of the MIT License.