 Cocker's Decimal Arithmetick

"Cocker's Decimal Arithmetick" is a mathematical work authored by Edward Cocker, first published in the 17th century, around 1678. The book is notable for its comprehensive treatment of decimal arithmetic, which was a significant development during that period as the use of decimal notation became more widespread. Cocker's work includes explanations of basic arithmetic operations—addition, subtraction, multiplication, and division—using decimals, as well as more complex financial and practical applications of decimal calculations.