Learn Haskell interactively!

Get started now with a comprehensive introduction to modern functional programming.

Learn about Haskell's type system, how to structure functional programs, and how to use monadic IO. Check your understanding with interactive programming challenges. Try the free sample lessons now!

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Features

Learn FP concepts!

Covers the fundamentals of Haskell programming, such as higher-order functions, currying and type classes.

Study the code!

Instructive code examples that you can run directly in your Browser.

Test yourself!

Dozens of quizzes and coding challenges to check your learnings.