R1C1 coordinates provide a predictable map for auditing formulas and writing universal VBA macros.

Excel's query tool reshapes messy imports into 1NF, so AVERAGEIFS replaces hacks and your summaries run faster.

I traded the static results of Flash Fill for dynamic formulas that update automatically.

Use Microsoft 365 View > Navigation to find, rename, or hide sheets in one place, keeping large workbooks tidy and easier to manage.

The McCallum Rule is a monetary policy theory and formula describing the relationship between the monetary base and nominal GDP growth.