Fundamentals of business mathematics / Walter R. Van Voorhis and Chester W. Topp. Van Voorhis, Walter Roe, 1904- Topp, Chester W., 1916-, author. Business mathematics. Statistics. HF5691 .V3 1955 511.8 VOF Includes index. New York, Prentice-Hall, 1955. 1955. 1955 Text 452 p. : eng Prentice-Hall mathematics series Prentice-Hall mathematics series.