= Function = Calculate when you will finish a task. You estimate a task during and calculator get a date when you will be finished it. = Install = Ruby 1.9.3 gem install active_support business_time = Usage = irb -r .\business_hour_calculator.rb ```ruby # without format BusinessHourCalculator::Client.new(8).calculate_due_date # with format BusinessHourCalculator::Client.new(8).calculated_due_date ```