For curious nonmathematicians and armchair algebra buffs, John Derbyshire discovers the story behind the formulae, roots, and radicals. As he did so masterfully in Prime Obsession , Derbyshire brings the evolution of mathematical thinking to dramatic life by focusing on the key historical players. Unknown Quantity begins in the time of Abraham and Isaac and moves from Ab...(展开全部)

Prime Obsession taught us not to be afraid to put the math in a math book. "Unknown Quantity" heeds the lesson well. So grab your graphing calculators, slip out the slide rules, and buckle up! John Derbyshire is introducing us to algebra through the ages - and it promises to be just what his die-hard fans have been waiting for. "Here is the story of algebra." With this deceptiv...(展开全部)

Prime Obsession taught us not to be afraid to put the math in a math book. "Unknown Quantity" heeds the lesson well. So grab your graphing calculators, slip out the slide rules, and buckle up! John Derbyshire is introducing us to algebra through the ages - and it promises to be just what his die-hard fans have been waiting for. "Here is the story of algebra." With this deceptiv...(展开全部)

For curious nonmathematicians and armchair algebra buffs, John Derbyshire discovers the story behind the formulae, roots, and radicals. As he did so masterfully in Prime Obsession , Derbyshire brings the evolution of mathematical thinking to dramatic life by focusing on the key historical players. Unknown Quantity begins in the time of Abraham and Isaac and moves from Ab...(展开全部)

Born in Germany in the early twentieth century, mild and sensitive Richard Hieck endured a quietly difficult childhood. Raised in humble circumstances, Richard was profoundly influenced by his withdrawn mother and by his father -- an enigma whose devotion centered not on his five children but on his mysterious career. From his father, Richard inherited an interest in the night ...(展开全部)

Abridged, 10 CDs, 12 hours --Read by the author Like former Secretary of Defense Donald Rumsfeld himself, Known and Unknown pulls no punches.

Unabridged --Read by TBA Like Donald Rumsfeld, Known and Unknown pulls no punches. With the same directness that defined his career in public service, Rumsfeld's memoir is filled with previously undisclosed details and insights about the Bush administration, 9/11, and the wars in Afghanistan and Iraq. It also features Rumsfeld's unique and often surprising observations...(展开全部)

"If you are not criticized, you may not be doing much." - Rumsfeld's Rules Few Americans have spent more time near the center of power than Donald Rumsfeld. Now he has written an unflinching memoir of his half-century career, sharing previously undisclosed details that will fascinate readers and force historians to rethink many controversies. Starting from a middle-class childh...(展开全部)

With the same directness that defined his career in public service, Rumsfeld's memoir is filled with previously undisclosed details and insights about the Bush administration, 9/11, and the wars in Afghanistan and Iraq. It also features Rumsfeld's unique and often surprising observations on eight decades of history: his experiences growing up during the Depression and World War...(展开全部)

This book contains more than two thousand exercises in algebra. These exercises are currently used in teaching a fundamental course in algebra in the Department of Mechanics and Mathematics at Moscow State University. The text is divided into three parts, which correspond to three semesters of study. Each section contains not only standard exercises, but also more difficult exe...(展开全部)