*E.5129 2316 Osborn, Roger. The mathematics of investment. New York, Harper (1957,
162, 117 p. illus. 25 cm. (Harper’s mathematics series)
oO! FE: -— --- [Another copy ]
1. Business mathematics. 1, Title. HF5691.074 @ 511.9 56-18265 f
Library of Congress 15;