Hastings, Cecil, 1920- Approximations for digital computers / by Cecil Hastings, assisted by Jeanne T. Hayward [and] James P. Wong, - Princeton, N.J., Princeton University Press, 1955. - viii, 201 p. : ill. ; 25 cm. - The Rand series . - Rand series (New York, N.Y.) . Bibliography: p. 201. Subjects--Topical Terms: Electronic digital computers.Numerical analysis. Dewey Class. No.: 518