CalcuLibrary
CalcuLibrary is a free collection of online calculators.
What it does
CalcuLibrary is a free multilingual collection of online calculators and conversion tools. It includes scientific, percentage, mortgage, loan, compound interest, BMI, calorie, age, date, time, statistics, engineering and business calculators. The calculators work directly in the browser without registration. CalcuLibrary is available in English, Dutch, German, Spanish and French and also provides custom calculator development for businesses.
Use our free online calculator for quick calculations or explore 80+ tools for finance, health, math, business, engineering and everyday life.
Calculate online for free with our fast everyday calculator, or choose from more than 80 practical tools for math, finance, health, business, engineering, automotive topics and everyday questions. Supports parentheses, percentages, powers and square roots. Results are calculated in your browser. Find the right calculator quickly. Browse our free calculators by category or use the search box above to search the complete CalcuLibrary calculator collection. Practical calculators for dates, time, measurements, grades, passwords and everyday calculations. Calculate BMI, calorie requirements, body composition, ideal weight, running pace and pregnancy dates. Free calculators for percentages,…from calculibrary.com
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Launched alongside, August 2026
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Life & fun · 10d ago · louisabraham.github.io
- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 17d ago · simedw.com