cal for command line.
CibulCalendar is a date picker that enables users to easily pick dates or date ranges.
Enhanced calendar with weekend coloring and weekday-only option
Quadratic equations calculator, requires GTK-rs
Command-line calculator with accumulator, memory cells, multi-base arithmetic, and script file support
Core computation engine for ccalc: tokenizer, parser, AST evaluator, and memory cells
Plot plugin for ccalc (ASCII and SVG/PNG output)
A tool to calculate nicotine amount needed for an e-cigarette liquid
A Rust CLI tool that parses Gherkin files and outputs structured data (JSON, MARKDOWN, HTML)