Factorial

Description

Factorial helps you to calculate the factorial of a number ora list of numbers. e.g factorial of 5 = 120. It has also the features to find the greatest commpn factor (GCF) of the series of numbers.

Requirements

  • Ruby(tested with 1.9.3)
  • Rspec(only if you want to run the tests)

Installation

gem install factorial

Usage

require 'factorial'

For determining the factorial of a number

fact = Factorial::Base.new(numbers) e.g 2, 5

fact.factorial_result => 2, 120

For determining the GCF

fact.gcf_result => 1