0.0
No commit activity in last 3 years
No release in over 3 years
Simple equation parser with a reverse polish notation calculator as a backend
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
 Dependencies

Development

 Project Readme

RpnCalculator

Simple equation parser with a reverse polish notation calculator as a backend

Installation

Add this line to your application's Gemfile:

gem 'rpn_calculator'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rpn_calculator

Usage

To use as an equation parser and evaluator:

    $ RpnCalculator.calculate('1+7-3*16/2**(1+1)') #=> -4

To directly access the reverse polish calculator:

    $ RpnCalculator.evaluate([[1,7,3,4,5,6],['+','-','*','/','**']]) #=> 4096

Contributing

  1. Fork it ( https://github.com/[my-github-username]/rpn_calculator/fork )
  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 a new Pull Request

Author

  • Chris Moody

License

This is free software released into the public domain.