How to Build a Monthly Sales Summary with SUMIFS (No Pivot Table)
Written with AI assistance. The formulas below were checked in LibreOffice Calc on sample rows (not in Excel or Google Sheets). Pivot tables are gre…
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How to Catch Duplicate Orders and Misspelled Customer Names in a Spreadsheet
Written with AI assistance. The formulas below were checked in LibreOffice Calc on sample rows (not in Excel or Google Sheets). Most wrong spreadshe…
Counting the formulas in my own $5 spreadsheet: 51 of them, and not one is a GPA
Disclosure first I made Student Planner and I sell it for $5, so this is an audit of my own paid product, and it is not flattering. I claimed a feat…
Build Collaborative Spreadsheets and Data Grids
Daily we do not start by saying: “Let’s build Google Sheets inside our application.” We start: “We need an editable table.” Then the customer asks u…