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

Please note: This item is from our archives and was published in 2001. It is provided for historical reference. The content may be out of date and links may no longer function. Q. Okay, so Excel is a ...

With Excel, you can create simple calculators that speed up calculations you perform frequently. Among the many calculators that you can create with Excel is one that handles the pricing of options, ...

Stratified mean-per-unit sampling is a key tool used by auditors. The popularity of this statistical procedure arises from its unique ability to produce trustworthy ...

An optimization problem is one where you have to make the best decision (choose the best investments, minimize your company’s costs, find the class schedule with the fewest morning classes, or so on).