Orange cloth, gold decor. Heavily worn. Spne worn 1/2 inch on both ends. Mild waterstains on textpages. 117 pages. Goodrich's Art of Computation. Using a new method for addition, subtraction, multiplication and division. With Comprehensive Calendar, instantly adjustable to any month in any year from A.D. 1 to 3600. Includes metric measurements on Tables of Standard Measurement, 'It is possible that it may gradually creep into general use'.