Messy Excel formulas are more than just an eyesore—they're harder to maintain. Every repeated cell reference and tangled ...

Productivity apps are great. They help you stay on track, manage tasks, and deal with the overwhelming flow of information that life might throw at you. That said, they're also getting increasingly ...

Discover how Excel's Goal Seek reverses calculations to find input values from known outcomes and enhances your data analysis skills.

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...

Although there are many functions in the base package of R, sometimes there may not be a function that does exactly what you want. In this case, R allows users to create their own functions and call ...

Custom functions enable you to add new functions to Excel by defining those functions in JavaScript as part of an add-in. Users within Excel can access custom functions just as they would any native ...

You can capture still life photography from the comfort of your own home and with little more than a camera, tripod, and lens ...