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 ...

Have you ever heard someone say a person has book smarts? They’re talking about that person’s cognitive ability to dissect complex issues, recognize patterns, ...

One of the most underused lookup and reference functions in Microsoft Excel is the DROP function. This powerful yet simple function lets you remove a specified number of rows or columns from the start ...

Abstract: Medication interaction refers to the alteration of the action of one medicinal agent by virtue of the co-administration of another substance, which may include another drug, food products, ...