By defining Microsoft PowerShell functions within PowerShell modules, you can organize your scripts, avoid duplicating code, ...

Excel errors aren't always a bad thing. Sometimes, it's just because there isn't data in the relevant cells yet, and some other times the error itself is the data ...

Anna Attkisson is a full-time Senior Editorial Director for Investopedia, overseeing content strategy and operations. Anna has spent 20 years crafting content around highly complex topics and ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

For Gaussian quadrature rules over a finite interval, applied to analytic or meromorphic functions, we develop error bounds from contour integral representations of ...