Elixir Pattern Matching: Building a Practical Tax Calculator

Writing clean control flow in functional languages can feel challenging if you rely on traditional nested conditional loops. Elixir offers an elegant alternative through pattern matching, transforming how you structure complex business logic. In this text-based course, you will learn the fundamentals of functional programming by building a reliable, real-world income tax calculator from scratch. Learn / Understand foundational Elixir concepts, including immutability, basic types, and functional modules. Apply pattern matching across tuples, maps, and function signatures to replace complex if-else statements. Build a multi-bracket tax calculation engine using declarative programming techniques. Practice organizing your code with standard Mix project structures and formatting tools. Configure basic unit tests using ExUnit to verify the accuracy of your calculation rules. You will begin with essential terminology and basic functional syntax before progressively working through the logical design and testing of your application. This course is designed for developers new to Elixir or functional programming, requiring no prior experience with the language. Start reading today to write cleaner, more expressive, and highly maintainable code.