Computation with approximate data - Shuster, Carl N. (East Palestine, Ott : Yoder Instruments, 1948)
Reprint from 20th yearbook of the National COuncil of Teachers of Ma thematics, 1948. The metric system of weight and measures.
Includes bibliographical references (p. 25.)
Keywords: Mensuration -- Study and teaching; Metric system; Arithmetic -- Study and teaching