Coding Exercises

Build a Prefix Notation Calculator in Ruby

Building a calculator is a popular interview question and a good approach for learning a programming language. In this guide we're going to build a Prefix Notation calculator in Ruby, which enables users to enter an operator, followed by any...

Coding Exercises

Working with Infinity in Ruby

Working with infinity can be a unique challenge in many different programming languages. Thankfully Ruby offers a helpful library that allows you to implement infinity into programs, and that's what this guide focuses on. Summary Build a method that utilizes...

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