00454cam a2200157 4500 1932 20181127164238.0 730109s1961 nyua 000 0 eng 61006227 Sawyer, W. W. (Walter Warwick), 1911- What is calculus about? / W.W Sawyer. New York : Random House, 1961. vi, 118 p. : ill. ; 23 cm. New mathematical library, 2 Calculus. 1486 1486 0 0 ddc 0 0 MAIN RTCLIB RTCLIB MAIN 2022-10-31 1005 1 515 SAW 30003323 2022-11-08 00:00:00 2022-10-31 2018-11-27 MAIN