calcservice

Install command: 
brew install --cask calcservice

Name: CalcService

Enter calculations into any Service-aware app

https://www.devontechnologies.com/apps/freeware

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

Cask code: calcservice.rb on GitHub

Current version: 3.5.1

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
calcservice 4
Installs (90 days)
calcservice 11
Installs (365 days)
calcservice 38