brazzy/floating-point-gui.de resource

Health v2 · maintenance only

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1066 stars · 177 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A static website (The Floating-Point Guide) offering concise answers to common novice questions about floating-point arithmetic, such as why 0.1 + 0.2 != 0.3, plus in-depth explanations of IEEE 754. It is built with the nanoc static site generator and published under a Creative Commons Attribution license.

Use cases

• understand why 0.1 + 0.2 gives 0.30000000000000004
• learn how IEEE 754 floating-point numbers work
• find out when to use decimals instead of floats
• look up floating-point rounding and comparison pitfalls
• get language-specific floating-point cheat sheets for Java, Python, JavaScript, etc.

When to choose

• you need a quick, beginner-friendly explanation of floating-point surprises
• you want concise reference material to link in answers or docs
• you need guidance on choosing exact numeric types over floats

When to avoid

• you need a software library or tool rather than educational content
• you want a rigorous mathematical treatise on numerical analysis
• you need an interactive calculator or playground

Facets

learning-resource · maturity maintenance

documentation education programming-languages floating-point ieee-754 static-site nanoc reference-site algorithms web-server

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