Fibonacci in Pictures Devlin's AngleKeith DevlinSeptember 1, 2020Fibonacci, history of mathematics, Keith Devlin, Devlin's Angle, online learning
How double-entry bookkeeping changed the world Devlin's Angle, TEACHING & LEARNINGKeith DevlinMay 1, 2019Luca Pacioli, Leonardo of Pisa, Fibonacci, Liber abbaci, al-Khwarizmi, Hindu-Arabic arithmetic, double-entry bookkeeping, Josiah Wedgwood, modern accounting, mass production, Keith Devlin
Summa de Arithmetica - a landmark in the development of the modern world Devlin's Angle, TEACHING & LEARNINGKeith DevlinApril 1, 2019Luca Pacioli, Summa de Arithmetica, medieval mathematics, history of mathematics, Fibonacci, Hindu-Arabic arithmetic, modern accounting, Keith Devlin