Show HN: Numr – A Vim-style TUI calculator for natural language math expressions
nasedkinpv Monday, November 24, 2025
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 highlighting
Stack: 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.
Summary
The numr library provides a set of tools for working with numerical representation systems, including functions for converting between different number bases, performing arithmetic operations, and rounding numbers. It aims to offer a more comprehensive and user-friendly approach to numerical representation compared to standard Python implementations.
4
0
Summary
github.com