Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

A number of people swear by Google Sheets, while another group is firmly loyal to Excel. I’m somewhere in between, as I use ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know. Our team tests, rates, and reviews more than 1,500 products each year to help ...

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Excel now supports IMPORTTEXT and IMPORTCSV functions that load external text and CSV files as dynamic arrays, making it ...

Learn to simulate stock prices with Excel and gain predictive power over market trends. Our step-by-step guide enhances your ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...

Abstract: In this letter, we first investigate a shift strategy for enhancing the length of the consecutive segment in the sum and difference co-array (SDCA). Then, a fourth-order sparse antenna array ...