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Join Exercism’s 8th Track for access to 70 exercises with automatic analysis of your code and personal mentoring, all 100% free.
\ Displays "Hello, World!" on the console followed by a new-line.
: hello-world \ --
"Hello, World!" . cr
;
Get better at programming through fun, rewarding coding exercises that test your understanding of concepts with Exercism.
Generate the lyrics of the song 'I Know an Old Lady Who Swallowed a Fly'.
Given a diagram, determine which plants each child in the kindergarten class is responsible for.
Calculate the Hamming distance between two DNA strands.
8th was designed from the beginning to avoid the most common software security problems.
With one click generate the executable for any platform 8th supports, from any platform it supports!
No reserved words at all and almost no syntax.
8th is primarily a strongly-typed FORTH-like stack-based procedural language with RPN syntax.
8th has an interactive REPL.
Documentation is extensive, making it easy to get started with 8th.
Every language has its own way of doing things. 8th is no different. Our mentors will help you learn to think like a 8th developer and how to write idiomatic code in 8th. Once you've solved an exercise, submit it to our volunteer team, and they'll give you hints, ideas, and feedback on how to make it feel more like what you'd normally see in 8th - they'll help you discover the things you don't know that you don't know.
Learn more about mentoring
The 8th track on Exercism has 70 exercises to help you write better code. Discover new exercises as you progress and get engrossed in learning new concepts and improving the way you currently write.
See all 8th exercises
The best part, it’s 100% free for everyone.