Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Some active ...

Thomas J Catalano is a CFP and Registered Investment Adviser with the state of South Carolina, where he launched his own financial advisory firm in 2018. Thomas' experience gives him expertise in a ...

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 ...

Excel is packed with functions, but if you're still relying on VLOOKUP, nested IF statements, or CONCATENATE, you're making your spreadsheets harder to manage than they need to be. Microsoft has newer ...

For 30 years, the technology that could help save the world has been in the hands of children. Solar calculators were such a routine part of math class from the mid-1980s onward that they barely ...