--- title: r3/doc/r3forth_tutorial.md at main · phreda4/r3 | daily.dev description: R3forth is a small, fast concatenative programming language inspired by ColorForth that compiles to native 64-bit code. This comprehensive tutorial covers the... canonical: https://daily.dev/posts/r3-doc-r3forth-tutorial-md-at-main-phreda4-r3-lyzrpv4rd twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: r3/doc/r3forth_tutorial.md at main · phreda4/r3 | daily.dev og:description: R3forth is a small, fast concatenative programming language inspired by ColorForth that compiles to native 64-bit code. This comprehensive tutorial covers the... og:url: https://daily.dev/posts/r3-doc-r3forth-tutorial-md-at-main-phreda4-r3-lyzrpv4rd og:image: https://api.daily.dev/og/posts/LYzrpV4rd.png og:image:alt: r3/doc/r3forth_tutorial.md at main · phreda4/r3 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # r3/doc/r3forth_tutorial.md at main · phreda4/r3 **[Hacker News](https://daily.dev/sources/hn)** · 36 min read · 0 upvotes · 0 comments ## Summary R3forth is a small, fast concatenative programming language inspired by ColorForth that compiles to native 64-bit code. This comprehensive tutorial covers the full language from basics to advanced topics: the dictionary system, postfix stack operations, arithmetic and fixed-point math (48.16 format), conditionals without IF-ELSE, loops, recursion with tail-call optimization, variables and memory management, string handling, registers A and B for efficient memory traversal, the return stack, and OS integration via dynamic libraries. The tutorial emphasizes stack discipline, factoring logic into small named words, and direct hardware/OS interaction without a garbage collector. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Factor Overview](https://daily.dev/posts/factor-overview-wvx0egv2p) · Lobsters · 0 upvotes · 0 comments - [multi-platform \(Linux,MacOS,Windows,ESP32,WASM\)](https://daily.dev/posts/multi-platform-linux-macos-windows-esp32-wasm--dh1loihvy) · Hacker News · 5 upvotes · 0 comments - [Building a 64-bit OS from Scratch with Claude Code](https://daily.dev/posts/building-a-64-bit-os-from-scratch-with-claude-code-a71d2jtne) · Lobsters · 0 upvotes · 0 comments - [T3X.ORG nmhbasic](https://daily.dev/posts/t3x-org-nmhbasic-k7oor3t8d) · Two Stop Bits · 0 upvotes · 0 comments - [Let Over Lambda](https://daily.dev/posts/let-over-lambda-1vtzpv5ni) · Hacker News · 0 upvotes · 0 comments --- [View this post on daily.dev](https://daily.dev/posts/r3-doc-r3forth-tutorial-md-at-main-phreda4-r3-lyzrpv4rd) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"r3/doc/r3forth_tutorial.md at main · phreda4/r3","url":"https://daily.dev/posts/r3-doc-r3forth-tutorial-md-at-main-phreda4-r3-lyzrpv4rd","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/r3-doc-r3forth-tutorial-md-at-main-phreda4-r3-lyzrpv4rd"},"datePublished":"2026-02-19T08:03:01.687Z","dateModified":"2026-02-19T08:03:28.498Z","description":"R3forth is a small, fast concatenative programming language inspired by ColorForth that compiles to native 64-bit code. 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