Natural Units Converter
Quickly compute physical quantities. Combine numbers, units and physical constants in plain notation. Convert across unit systems (SI, natural, Gaussian).
physicsdimensional analysisunits
Tools
Small, self-contained tools I find useful day to day.
arXiv Watcher
Look up new papers on arXiv by date, topic or author. Pick a time window, add filters as tags, and get the newest matches with links to each paper.
arXivpaperssearch
arXiv stats
How arXiv's fields have grown, month by month since 1991: each field's share of submissions, and the raw paper counts behind it.
arXivtrendsdata