» Izard arithmetic workbook, circa 1800s

Arithmetic workbook containing word problems attributed to a member of the Ralph Izard family. Exercises include problems in the addition, subtraction, multiplication, and division of money (pounds, crowns, guineas, marks, guilders, and other units) and other items. Additional problems pertain to the measurement of cloth, wine, time, land (furlongs, poles, feet, inches), Troy weight (grains, ingots), tare and trett (allowance claimed by the citizens of London on goods), the rule of three [fractions], simple interest, interest on interest, company without time [stocks], company with time, discount, barter, exchange, and loss and gain.