A word add-in to convert arabic numeral into geez numbers.
install node.js and related materials, follow this tutorial.
Run this command on cmd after navigating to the project directory, to run the add-in locally.
npm run dev-server
Open word and Navigate to Insert-->My Ad-ins-->My Office Ad-in
Again on Word, on Home tab, click on the My Office Ad-in to open a taskpane to the right of the editor.
To convert a number, select the number in the word file, then click Run from the taskpane.