Replace legacy formulas with MAP, BYROW, BYCOL, SCAN, and REDUCE to build secure, scalable, and automated spreadsheets.

Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.

Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.

Those of us over a certain age will remember using paper lookup tables for logarithms or trigonometry functions. Those who are younger will have been exposed to lookup tables in their programming ...

Much of the data that you use Excel to analyze comes in a list form. You might need to sort the data, filter it, sum it, and perhaps even chart it. Excel tables provide superior tools for working with ...

Open an existing table or create a new table. In this tutorial, we want to find Barbie Extra Dolls sales from the ninth to sixteenth of January. Below the table, you have created. Create a mini table ...

In Microsoft Excel, VLOOKUP (vertical lookup) is a search function that you can use to find any data inside a particular column of the table by looking at the first column's entries and returning a ...