Have you ever followed a YouTube tutorial, carefully copied an Excel formula, and hit “Enter,” only to be met with an error or baffling results? It’s a ...

PITTSBURGH — Strip District-based Excelitas Technologies Corp. is set to acquire Luxium Solutions, a provider of materials and components for high-tech applications across a variety of industries.

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...