"Numbers in the Dark" is a collection of short stories covering the length of Italo Calvino's extraordinary writing career, from when he was a teenager to shortly before his death. They include witty allegories and wise fables; a town where everything has been forbidden apart from the game of tip-cat; a pitiable tribe watching the flight paths of guided missiles from outside th...(展开全部)

"Numbers in the Dark" is a collection of short stories covering the length of Italo Calvino's extraordinary writing career, from when he was a teenager to shortly before his death. They include witty allegories and wise fables; a town where everything has been forbidden apart from the game of tip-cat; a pitiable tribe watching the flight paths of guided missiles from outside th...(展开全部)

This book is about all kinds of numbers, from rationals to octonians, reals to infinitesimals. It is a story about a major thread of mathematics over thousands of years, and it answers everything from why Hamilton was obsessed with quaternions to what the prospect was for quaternionic analysis in the 19th century. It glimpses the mystery surrounding imaginary numbers in the 17t...(展开全部)

Number theory proves to be a virtually inexhaustible source of intriguing puzzle problems -- interesting to beginning and advanced readers. Divisors, perfect numbers, the congruences of Gauss, scales of notation, the Pell equation, many other aspects produce ingenious puzzles. Solutions to all problems.

This is a textbook for pre-service elementary school teachers and for current teachers who are taking professional development courses. By emphasizing the precision of mathematics, the exposition achieves a logical and coherent account of school mathematics at the appropriate level for the readership. Wu provides a comprehensive treatment of all the standard topics about number...(展开全部)

伊塔洛•卡尔维诺(Italo Calvino,1923—1985) 意大利当代最具有世界影响的作家。于1985年获得诺贝尔文学提名，却因于当年猝然去世而与该奖失之交臂。但其人其作早已在意大利文学界乃至世界文学界产生巨大影响。 卡尔维诺从事文学创作40年，一直尝试着用各种手法表现当代人的生活和心灵。他的作品融现实主义、超现实主义与后现代主义于一身，以丰富的手法、奇特的角度构造超乎想像的、富有浓厚童话意味的故事，深为当代作家推崇，并给他们带来深刻影响。《我们的祖先》三部曲、《命运交叉的城堡》、《帕洛马尔》等达到惊人的艺术高度和思想深度。《意大利童话》最大限度地保持了意大利民间口头故事的原貌，艺术价值和学术价值兼具，是再现意大利“民族记忆”之深厚积淀的不可多得的作品。《美国讲稿》是卡尔维诺对自己近40年小说创作实践的丰富经验进行的系统回顾和理论上的总结与阐...(展开全部)

For the first time in paperback--a volume of thirty-seven diabolically inventive stories, fables, and "impossible interviews" from one of the great fantasists of the 20th century, displaying the full breadth of his vision and wit. Written between 1943 and 1984 and masterfully translated by Tim Parks, the fictions in Numbers in the Dark display all of Calvino's dazzling gifts: w...(展开全部)

For the first time in paperback--a volume of thirty-seven diabolically inventive stories, fables, and "impossible interviews" from one of the great fantasists of the 20th century, displaying the full breadth of his vision and wit. Written between 1943 and 1984 and masterfully translated by Tim Parks, the fictions in Numbers in the Dark display all of Calvino's dazzling gifts: w...(展开全部)