{"title":"C Stanley Ogilvy","description":"\u003cp\u003eExplore the mathematical mind of C. Stanley Ogilvy. Delve into intriguing problems, puzzles, and historical insights presented with clarity and wit. Perfect for sparking curiosity and sharpening your intellect.\u003c\/p\u003e","products":[{"product_id":"excursions-in-number-theory-book-c-stanley-ogilvy-9780486257785","title":"Excursions in Number Theory","description":"A splendidly written, well selected and presented collection . I recommend the book unreservedly to all readers, in or out of professional mathematics, who like to 'follow the gleam' of numbers. -- Martin Gardner.\u003cbr\u003eThe theory of numbers is an ancient and fascinating branch of mathematics that plays an important role in modern computer theory. It is also a popular topic among amateur mathematicians (who have made many contributions to the field) because of its accessibility: it does not require advanced knowledge of higher mathematics.\u003cbr\u003eThis delightful volume, by two well-known mathematicians, invited readers to join a challenging expedition into the mystery and magic of number theory. No special training is needed -- just high school mathematics, a fondness for figures, and an inquisitive mind. Such a person will soon be absorbed and intrigued by the ideas and problems presented here.\u003cbr\u003eBeginning with familiar notions, the authors skillfully yet painlessly transport the reader to higher realms of mathematics, developing the necessary concepts along the way, so that complex subjects can be more easily understood. Included are thorough discussions of prime numbers, number patterns, irrationals and iterations, and calculating prodigies, among other topics.\u003cbr\u003eMuch of the material presented is not to be found in other popular treatments of number theory. Moreover, there are many important proofs (presented with simple and elegant explanations) often lacking in similar volumes. In sum, \u003ci\u003eExcursions in Number Theory\u003c\/i\u003e offers a splendid compromise between highly technical treatments inaccessible to lay readers and popular books with too little substance. Its stimulating and challenging presentation of significant aspects of number theory may be read lightly for enjoyment or studied closely for an exhilarating mental challenge.","brand":"WoB","offers":[{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":49557702934801,"sku":"GOR001734487","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ GOOD \/ SBYB","offer_id":49562835550481,"sku":"CIN0486257789G","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ NEW \/ GARDNERS","offer_id":50481507893521,"sku":"NGR9780486257785","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":50913934573841,"sku":"CIN0486257789VG","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ WELL_READ \/ SBYB","offer_id":51712922550545,"sku":"CIN0486257789A","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"GB \/ GOOD \/ INTERNAL","offer_id":53360947527953,"sku":"GOR006197836","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0486257789.jpg?v=1751325408"},{"product_id":"excursions-in-geometry-book-c-stanley-ogilvy-9780486265308","title":"Excursions in Geometry","description":"Topics including harmonic division and Apollonian circles, inversive geometry, the hexlet, conic sections, projective geometry, the Golden Section and angle trisection are addressed in a way that brings out the true intellectual excitement inherent in each. 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References. 132 line illustrations.","brand":"WoB","offers":[{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":49578402218257,"sku":"GOR006372199","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ GOOD \/ SBYB","offer_id":50217172238609,"sku":"CIN0486265307G","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ WELL_READ \/ INTERNAL","offer_id":51141363007761,"sku":"GOR014184229","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":51408008544529,"sku":"CIN0486265307VG","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ LIKE_NEW \/ INTERNAL","offer_id":51613253239057,"sku":"GOR014346411","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ NEW \/ GARDNERS","offer_id":52110887977233,"sku":"NGR9780486265308","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ WELL_READ \/ SBYB","offer_id":53229958562065,"sku":"CIN0486265307A","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0486265307.jpg?v=1751103604"},{"product_id":"tomorrow-s-math-rare-book-c-stanley-ogilvy-1729244929alk","title":"Tomorrow's Math","description":"1962. No Edition Remarks. 182 pages. No dust jacket. Blue cloth boards with lettering. Clean pages with light tanning and mild foxing throughout. Pen inscription to front free endpaper. Ownership plat","brand":"WoB","offers":[{"title":"- \/ - \/ -","offer_id":51239559201041,"sku":"","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"GB \/ GOOD \/ INTERNAL","offer_id":51239562871057,"sku":"1729244929ALK","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1729244929ALK_1.jpg?v=1741077746"},{"product_id":"unterhaltsame-geometrie-book-c-stanley-ogilvy-9783663001058","title":"Unterhaltsame Geometrie","description":"Was ist Geometrie? Eine junge Dame, so gefragt, antwortet ohne Zagern: Oh, das ist das, wo etwas bewiesen wird. Gedrar.gt, ein Beispiel fUr so ein zu beweisendes Etwas zu geben, muBte sie passen. Auch war ihr entgangen, warum es eine gute Sache war, etwas z-u beweisen. 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Vermutlich erreichten einige SchUler das gewUnschte Ziel, aber viele andere wurden so durch die Einzelheiten abge- lenkt, daB sie den Blick fur die Hauptsache verloren.","brand":"WoB","offers":[{"title":"GB \/ NEW \/ INGRAM","offer_id":52427459199249,"sku":"NLS9783663001058","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9783663001058.jpg?v=1759161070"}],"url":"https:\/\/www.worldofbooks.com\/collections\/author-books-by-c-stanley-ogilvy.oembed","provider":"World of Books ","version":"1.0","type":"link"}