- Robert F. Ryan, MBA, CPA is an independent business consultant, educator, writer and finance leader in a Fortune 50 multinational company. He has a passion for simplicity, quality, efficiency and a unique ability to explain things to people so they understand quickly and thoroughly. He's worked with spreadsheets extensively for almost thirty years including VisiCalc, Lotus 1-2-3 and Excel.
Category Archives: Excel SUM function
When I learn an Excel feature that I think is powerful but I’m not confident I’ll remember how to use it, or I find a way to help people learn a particular Excel feature or concept and want to remember … Continue reading