Follow a step-by-step Excel tutorial to learn how to calculate percentages correctly and avoid common spreadsheet mistakes.

Learn how to calculate and plot mathematical functions using a spreadsheet. This tutorial shows step-by-step how to set up formulas, visualize data, and create clear graphs for math and science ...

As Microsoft ramps up Copilot’s capabilities in Excel, the AI tool is becoming genuinely useful for spreadsheet work.

Discover 15 modern Excel functions for 2026, including Group By and Scan, so you speed up your workflows, summaries and ...

Ryan Eichler holds a B.S.B.A with a concentration in Finance from Boston University. He has held positions in, and has deep experience with, expense auditing, personal finance, real estate, as well as ...

This repository contains a free add-in for calculating large numbers in Excel. Mourad Louha first developed this in 2010 with ideas from Heinz Schweigert from the German “Office-Lösung” Office forum ...