Web Reference: In this tutorial we will learn how to do simple mathematical operations using ruby.__________________Thank you for watching this video, if you like it please... We begin our exploration of Ruby with the interactive Ruby shell (irb). Open up a terminal and type: irb --simple-prompt. Make sure that you can get irb working before you move on. At the simplest level, you can use ruby as a calculator. Try this: Ruby understands all the basic arithmetic operators that you would expect: This is a small Ruby tutorial that should take no more than 20 minutesto complete. It makes the assumption that you already have Ruby installed.(If you do not have Ruby on your computer installitbefore you get started.)
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