A differential equation is an equality constraining a mathematical function in relation to its derivatives over one or multiple variables. Such equations may constitute the mathematical model for a ...

Melissa Quinn is a senior reporter for CBSNews.com, where she covers U.S. politics, with a focus on the Supreme Court and federal courts. Washington — Federal law enforcement officials said Monday ...

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 ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

Service members who live in government housing and pay child support are eligible for Basic Allowance for Housing (BAH) Differential (table below). Service members who pay child support and live on ...