High-level product notes. Full engineering history lives in the project changelog; individual tools list formulas and sources in-page.
v0.29 · 25 July 2026
Trust · car finance · infrastructure
- Replaced template placeholders on Privacy and Terms; Terms §7 matches self-hosted fonts
- Added About and this public Changelog
- Car Finance Calculator — UK hire purchase / PCP and US auto loans
- Slider track fill stays under the thumb site-wide
- Build pipeline keeps tool/rule counts honest; prerenders /tools and /rulebook for no-JS crawlers
- 65 tools · 92 rules of thumb
v0.28 · July 2026
Demos · ranking · tool depth
- Homepage live demos (pendulum, spring, cradle, ball-and-beam, golf)
- Thumbprint map polish; worked Stories; shareable result snapshots
- Deep overhauls: unit converter, mortgage, BMI, tip, compound interest, TDEE, salary, time zone, speed test, feels-like
- Favourite star + popular ranking (Cloudflare Worker + KV)