US2018Tax

This gem is meant to calculate the United States Federal income tax based on net income. It can calculate both the tax and the gross income, there are options with or with out a standard deduction.

Add this line to your application's Gemfile:

gem 'US_2018_Tax'

And then execute:

$ bundle

Or install it yourself as:

$ gem install US_2018_Tax

There are several functions of this calculator.

To get the amount of tax to be paid, there are two options, one with a standard deduction and one without:

US_2018_Tax::Tax.new(<your_net_income>).calculate
US_2018_Tax::Tax.new(<your_net_income>).calculate_with_standard_deduction

To get the amount of income after tax(gross income), there are two options as well:

US_2018_Tax::Tax.new(<your_net_income>).gross_income
US_2018_Tax::Tax.new(<your_net_income>).gross_with_deduction

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec 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/[USERNAME]/US_2018_Tax. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

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

Everyone interacting in the US2018Tax project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.