Search Results: william oughtred a great seventeenth century teacher by cajori florian

Chicago: Open Cort. Fine/VG+. 1916. 1st. hardcover. 12mo . 100pp . Couple tears to 1/2" to DJ, which is trimmed a bit shorter than the book. Super condition for 1916. .

Paperback / softback. New.

The Open Court Publishing Company. Used - Like New. Hardcover. 1916 Unknown Binding. Fine.

The Open Court Publishing Company. Used - Very Good. 1916. Unknown Binding. Very Good.

Chicago: Open court Pub. Co, 1916. First edition (presumed; no earlier dates stated). Hardcover. Two small tears to DJ protected in archival mylar sleeve, extremely faint wear to spine head & foot, barely rubbed corners, else very good+ in very good DJ.. Large duodecimo in light brown DJ; vi, 100 p; 19 cm. Mathematics -- Biography; Study and teaching -- History -- 17th century. William Oughtred (1575- 1660) was an English mathematician. After John Napier invented logarithms, and Edmund Gunter created the logarithmic scales (lines, or rules) upon which slide rules are based, it was Oughtred who first used two such scales sliding by one another to perform direct multiplication and division; & he is credited as the inventor of the slide rule in 1622. Oughtred also introduced the "x" symbol for multiplication as well as the abbreviations "sin" and "cos" for the sine and cosine functions.

paperback. Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book.

Chicago: The Open Court Publishing Company, 1916. 1st Edition . Hardcover. Fine/Fine. Vi, 100 Pp. Blue Cloth, Gilt. Apparent Firt Printing With 1916 Date On Title Page And On Cover Of Dj. Fine In Fine Dust Jacket.

paperback. Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book.

paperback. Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book.

8vo. dustwrapper. [i-vi]. 100pp. a good copy.

paperback. Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book.

hardcover. Good. Access codes and supplements are not guaranteed with used items.

Chicago:: The Open Court Publishing Company,, 1916.. original cloth in dust jacket.. Very near fine in a near fine jacket.. Small 8vo,.

hardcover. Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book.

Couverture rigide. Bon/1916. in-12. Chicago & London, The Open Court Publ. Co, 1916, in-12, VI, 100pp, cartonnage, jaquette imprimée, PREMIERE EDITION