In this carefully researched study, the author examines Egyptian mathematics, demonstrating that although operations were limited in number, they were remarkably adaptable to a great many applications: solution of problems in direct and inverse proportion, linear equations of the first degree, and arithmetical and geometrical progressions.
Number Words and Number Symbols: A Cultural History of Numbers by Karl Menninger Classic study discusses number sequence and number language, then explores written numerals and computations in a wide range of cultures. ". . . superior narrative ability." — Library Journal. 282 illus.
Mathematics of the Incas: Code of the Quipu by Marcia Ascher, Robert Ascher Unique, thought-provoking study discusses quipu, an accounting system employing knotted, colored cords, used by Incas. Cultural context, mathematics involved, and even how to make a quipu. Over 125 illustrations.