← Latest products

I rewrote my notepad calculator as a local-first app with CRDT syncing

I launched NumPad v1 on here a few years ago, and back then it wasn't much more than a thin CodeMirror wrapper around the calculator engine I'd written.

Visit numpad.ioexternal site

Reactions (1)

Similar products

by description similarity

  1. I Got Tired of Calculator Sites

    news.ycombinator.com

    So I Built My Own

    Hacker News58 pts

  2. Procal

    github.com

    A simple Qt-based programming calculator

    Hacker News173 pts

  3. I made a calculator that works over disjoint sets of intervals

    victorpoughon.github.io

    I've been studying interval arithmetic for the past few weeks and it's a really interesting field because while there is a ton of super interesting research published over the past decades, it has never really gotten the recognition that it deserves, IMO.

    Hacker News314 pts

  4. Serverless collaborative notion-level note editor using CRDT in GO

    github.com

    File manager + CRDT Note Editor

    Hacker News98 pts

  5. I built an app store for open-source financial plans (on spreadsheets)

    finfam.app

    Browse hundreds of free interactive financial calculators: rent vs buy, mortgage payoff, FIRE and early retirement, car costs, childcare, and more. No signup needed.

    Hacker News52 pts