Excel formulas
categories: Digital literacy, educational technology
Excel basics: https://turbofuture.com/computers/Microsoft-Excel-Basic-Terms-and-Terminology
https://imgur.com/gallery/3Fljonf
also
https://www.networkworld.com/article/2906987/software/excel-formulas-cheat-sheet-15-essential-tips-for-calculations-and-common-tasks.html or http://www.networkworld.com/article/2906987/software/excel-formulas-cheat-sheet-15-essential-tips-for-calculations-and-common-tasks.html