Learn how to calculate the combined ratio for insurance companies, including financial and trade basis methods, using loss and expense ratios for profitability analysis.

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Use this calculator to see how your money's value changed over time — and how much it could change in the future. Many, or all, of the products featured on this page are from our advertising partners ...

Engineering consultant Frank Hertel outlines a method of measuring an inductor’s value using only an oscilloscope and a signal or function generator.

The Beneish model was designed by M. Daniel Beneish to quantify eight variables that can indicate that a company is misrepresenting its profits. Here’s how it works.