I believe it's for a superscripted 2 after abbreviations of units of measure, de...

		insertrealname on Nov 16, 2021 \| parent \| context \| favorite \| on: Show HN: My proposal for a new keyboard layout I believe it's for a superscripted 2 after abbreviations of units of measure, denoting area, e.g. centimeter squared, metre squared, etc.