Expression Calculation

Ruby Practice - Simple Calculation

Run ruby runner.rb in console

You can input some expressions like below:

• ( 2 + ( ( 4 + 6 ) * (9 * 2) - ( 5 - 1)))
• ( 2 + ( ( 4 + 6 ) * sqrt(5)) / 2 )

Run bundle install then cd spec

Run rspec expression_spec.rb for testing