HISTORIANS of mathematics attribute the first use of the cross x as a symbol for multiplication to William Oughtred (“Clavis Mathematicae”, London, 1631). See W. W. R. Ball's “Short Account of the ...

Tim Smith has 20+ years of experience in the financial services industry, both as a writer and as a trader. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of ...

Joey Fundora has 17+ years of experience as an independent stock trader, specializing in discretionary swing trading through technical analysis. Timothy Li is a consultant, accountant, and finance ...