Numr
A Vim-style TUI calculator for natural language math expressions
Details
- External ID
- 46034734
- Source
- HN
- Company
- —
- Product
- Numr
- Website domain
- github.com
- Launched
- Nov. 24, 2025
- Cohort
- —
- Upvotes
- 7
- Upvotes percentile
- 0.37882096069869
- Tags
- —
- Fetched at
- Sept. 7, 2026, 9:25 p.m.
- Updated at
- Sept. 7, 2026, 9:25 p.m.
Description
Features:Natural language math: percentages, units, currencies Live exchange rates (152 currencies + BTC) Vim keybindings (Normal/Insert modes, hjkl, dd, etc.) Variables and running totals Syntax highlightingStack: Ratatui + Pest (PEG parser) + Tokio Install: # macOS brew tap nasedkinpv/tap && brew install numr# Arch yay -S numr GitHub: https://github.com/nasedkinpv/numr Would love feedback on the code structure—it's a workspace with separate crates for core, editor, TUI, and CLI.
Enrichment
- Theme
- generative AI model API gateways
- Vertical
- Horizontal
- Function
- Dev tools
- Audience
- Developer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- vim-style calculator for natural language math
- Manually corrected
- False
Could you build this?
Yes A terminal-based calculator using a PEG parser for natural language math and currency conversion APIs is a well-defined, self-contained project that an AI coding assistant can scaffold quickly.
Discussion
No comments on this launch.
Competitors
Other products that read as similar to this one — 33 launches clear the similarity bar, closest 8 shown.
Attention rank: #14 of 34 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 5 days after the earliest competitor.
- Numlex · ph · 2026-09-06 · 1 upvotes · similarity 0.49
- Exchange Currency Calculator · ph · 2026-09-26 · 2 upvotes · similarity 0.43
- Calmatro Free Calculators & Converters · ph · 2026-09-15 · 1 upvotes · similarity 0.40
- Ratkio · ph · 2026-09-17 · 2 upvotes · similarity 0.38
- A terminal spreadsheet editor with Vim keybindings · hn · 2026-04-27 · 126 upvotes · similarity 0.37
- Calc369 · ph · 2026-09-14 · 1 upvotes · similarity 0.34
- NUM · ph · 2026-09-18 · 2 upvotes · similarity 0.33
- I trained a 9M speech model to fix my Mandarin tones · hn · 2026-01-31 · 469 upvotes · similarity 0.33
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a dev tools tool for Sales yet.