chalk

Install command: 
brew install --cask chalk

Name: Chalk

Calculator software

https://www.chachatelier.fr/chalk/

Cask JSON API: /api/cask/chalk.json

Cask code: chalk.rb on GitHub

Current version: 1.7.5

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
chalk 7
Installs (90 days)
chalk 25
Installs (365 days)
chalk 105