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Combinations and permutations in Excel

Combinations and permutations are two basic ways to count possibilities, used in probability, statistics, games, passwords, and lotteries. This article explains the difference between them, when order and repetition matter, and the Excel functions you can use to calculate each case: FACT, PERMUT, …Read more

Exceptional content on Dynamic Arrays. I banged my head on my desk for hours this evening trying to migrate a financial model from traditional reference-based formulas to a much cleaner set of LET() and dynamic arrays function combinations. Your examples on BYROW() are simply stunning. Thank you so much!
JP
I will get them all [courses], just have to purchase one at a time, over some time. I truly like how the course material is laid out. Easy to read with great step-by-step instructions & explanations. I love each lesson’s format, they are really cool. It is unique.
Dave
Not far from 40 years (beg. with Visicalc in 82) of intensive spreadsheet use (+develop solutions +teach) and fully amazed with so many great ideas of formulas found in your examples.
jhbf

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