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

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

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 ...

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

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 ...

Excel 365 offers powerful tools for data analysis, with the “Unique” and “Distinct” functions standing out as essential features for managing large datasets. These functions, while similar in name, ...