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

Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.

Life is hectic, and juggling dozens of apps for the "must-do" chores adds to the noise. Since I already work in Excel daily, I've expanded its use to automate three of my most boring tasks. These ...

Readers Edition. This is the (nearly) annual tradition of you, RPS readers, telling us where we went wrong in our annual ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

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: Gaussian functions are suitable for describing many processes in mathematics, science, and engineering, making them very useful in the fields of signal and image processing. For example, the ...

Correspondence to Professor David B Price, Academic Primary Care, University of Aberdeen, Aberdeen AB25 2ZD, UK; dprice{at}opri.sg Background Little is known about the impact of exacerbations on COPD ...