A new health measure shows waist-to-height ratio can judge obesity risk better than BMI. Learn how to use this quick method ...

Back in 1855, German psychologist Adolf Zeising published a book with a ridiculously long title called: A New Theory of the proportions of the human body, developed from a basic morphological law ...

The Golden Ratio (GR), often denoted by the Greek letter phi (Φ), is a mathematical ratio commonly found in nature, art, and architecture. This irrational number, approximately equal to 1.618, has ...

The price-earnings ratio is the second major valuation ratio profiled in Axel Tracy's book, Ratio Analysis Fundamentals: How 17 Financial Ratios Can Allow You to Analyse Any Business on the Planet.

Financial ratios are relationships determined from a company’s financial information and used for comparison purposes. Examples include such often referred to measures as return on investment (ROI), ...

Dividing into a given ratio. You can use bar models to divide amounts in a given ratio. For example, Isabel and Geraint share their savings of £96 in the ratio 5 to 3. How much money does each person ...

David leads the editorial team at CNET. We create expert reviews, articles and video on every aspect of technology, from AI to Zoox. We are thoroughly, proudly human. Expertise A 25-year CNET veteran, ...

Most people rarely deal with irrational numbers—it would be, well, irrational, as they run on forever, and representing them accurately requires an infinite amount of space. But irrational constants ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Gordon Scott has been an active investor and technical analyst ...