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

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

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

Q. There are formulas that I am repeatedly having to create in my Excel workbook, and there are no built-in functions in Excel that can do these calculations. Is there a quicker way to reuse the same ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Launch Microsoft Excel. Create a table or use an existing table from your files. Place the formula into the cell you want to see the result. Press the enter Key. Launch Microsoft Excel. Create a table ...

Avoid PivotTable failures caused by merged cells, blank columns, and subtotals, with Power Query steps to clean the source ...

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 ...

Launch Microsoft Excel. Create a table or use an existing table from your files. Place the formula into the cell you want to see the result. Press the Enter Key. Launch Microsoft Excel. Create a table ...