I recently saw a coworker type out a SUM formula in Excel to get a quick total, only to delete it a second later. When I showed him a pro shortcut hidden in plain sight, he realized he'd been wasting ...

Messy Excel formulas are more than just an eyesore—they're harder to maintain. Every repeated cell reference and tangled parenthesis makes your work difficult to audit, edit, and share. That's why you ...

Valerie is a seasoned writer and editor who has spent her career creating content in the parenting and women's wellness spaces. Before joining Forbes Health, Valerie was the trending news editor at ...

To get quick and easy access to new payroll deductions tables and other recently announced tax information, you can subscribe, free of charge, to one or more of these electronic mailing lists. If you ...

Abstract: In a paper by Willems et al., it was shown that persistently exciting data can be used to represent the input-output behavior of a linear system. Based on this fundamental result, we derive ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...