Jorhat, Feb. 2: Dilip Kumar Datta, professor emeritus of Rhode Island University, USA, has eased the definition of rational numbers, which has been widely accepted by the mathematics teachers' ...

Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. The rational expectations theory is a concept and ...

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 ...

We have 520 new words — or additional meanings for old words — in the English language, says Merriam-Webster, publisher of bestselling dictionaries. The company doesn’t reveal all 520, but of the 21 ...