https://www.explainxkcd.com/wiki/index.php/2453:_Excel_Lambda
2453: Excel Lambda - explain xkcd
explain xkcd is a wiki dedicated to explaining the webcomic xkcd. Go figure.
excel lambdaexplain xkcd
https://jkp-ads.com/articles/excel-lambda-function-basics.aspx?lang=en
Excel Lambda function; the basics
Learn the basics of Excel's LAMBDA function to create custom, efficient formulas replacing VBA UDFs, with examples and sharing tips.
excel lambdathe basicsfunction
https://xkcd.com/2453/
xkcd: Excel Lambda
excel lambdaxkcd