Computational Mathematics · Kathmandu University

I build systems software, developer tools, and things that are fast.

I'm Sabin — a computational mathematics student in Nepal working across machine learning, control theory, embedded/IoT systems, and cryptography. This is where I publish projects, notes, and study decks.

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Projects

Open-source tools and research code I build and maintain.

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Theorem

Free, open-source, local-first reading app for EPUB, PDF, MOBI, CBZ and RSS — highlights, annotations, offline dictionaries, neural TTS, and encrypted LAN sync.

  • Tauri
  • Rust
  • React
  • TypeScript
Source Live

Akshar IME

Devanagari input method engine: romanised Nepali to Devanagari with sub-millisecond queries, a syllable-aware FST, and no neural nets at runtime.

  • Rust
  • WebAssembly
  • NLP
Source

Lemma

Obsidian flashcard plugin powered by the FSRS spaced-repetition algorithm.

  • TypeScript
  • Obsidian
Source

Witch

Obsidian-to-CMS publisher with wikilink conversion and image uploads — the pipeline that publishes this site, paired with a Cloudflare content Worker.

  • TypeScript
  • Cloudflare Workers
Source

Latest writing

Notes, tutorials, and reflections on math, AI, and tech.

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Building Lemma: A Modern FSRS-Powered Flashcard Plugin for Obsidian

How I Built a Spaced Repetition Plugin for Obsidian I’ve been using Obsidian for almost everything; notes, project management, journaling but …

6 min read portfolio

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At the limits

Occasional letters on math, AI, and the tools I build. No spam, unsubscribe any time.