numbox.io

Scientific calculator notepad

Status: active

A notepad tool for scratchpad math, supporting physical units and high-precision calculation types.

Explore numbox.io

Project Tags

  • Math
  • Physics
  • Notepad
  • Syntax Highlighting
  • WASM

Development Timeline

  • 2024-09-02 - Core engine and editor setup (start)
    Started the project to build a working proof of concept for writing math formulas in the browser. Wrote basic parsers, interpreters, and a custom mobile virtual keyboard with SolidJS.
    Tags: SolidJS, CodeJar, Math JS
  • 2024-12-20 - Workspace tab splitting and autocomplete (commit)
    Added tab splitting with Dockview to compare formulas side by side, and created an autocomplete helper for physics constants and units.
    Tags: Dockview, Autocomplete, Physics
  • 2025-02-25 - Cloud sync and user accounts (start)
    Added document sync with Supabase and passwordless login to save scratchpads across devices.
    Tags: Supabase, Auth, Database
  • 2025-06-20 - Visual design and editor speed (merge)
    Added visual styling and optimized editor rendering to eliminate typing latency.
    Tags: Parallax, Performance, UX
  • 2026-01-04 - Document folders and previews (commit)
    Created a tree-view file browser for managing notepad documents, and added share links with dynamic OpenGraph images of math formulas.
    Tags: File Tree, OpenGraph, Metadata
  • 2026-05-30 - Autosave and launch (milestone)
    Finished autosave capabilities, polished the mobile interface layout, optimized index metadata, and published the site.
    Tags: SEO, Live saving, Deployment