
EMICalcs
40 free Indian finance calculators — EMI, SIP, tax & more
What it does
Free hub of 40 India-focused calculators: loan EMI, credit-card EMI (with the 18% GST banks add on interest), SIP and step-up SIP, income tax for FY 2026-27 comparing new and old regimes, PPF/EPF/NPS, FD/RD, and salary CTC-to-in-hand, plus compare tools like SIP vs lumpsum and rent vs buy. Every calculator ships with automated math tests, so the build fails if a formula drifts. Results share as a URL or WhatsApp message, schedules export to CSV, and any calculator embeds free. No signup.
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Commerce · 26d ago · equitybee.com
Launched alongside, August 2026
the whole month →- TL
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