#lambda

Master recursive LAMBDA functions in Excel to perform looping calculations, text replacements, and math sequences without VBA.

Go beyond Excel GROUPBY totals with LAMBDA recipes for distinct counts, multi-metric summaries, lists, and ratios.

Master Excel LAMBDA helper functions: BYROW, BYCOL, MAP, SCAN and REDUCE for running totals and per-row logic.

Convert numbers to words in Excel without VBA using LAMBDA. Build a reusable NUMBERTOWORDS formula with currency.

Generate custom arrays with Excel MAKEARRAY and LAMBDA. Build multiplication tables, random grids, and dummy data.

Create custom Excel functions with LAMBDA — no VBA needed. Step-by-step guide with real examples and helper functions.