By Rudy Rucker
"Mind Tools is an unique and engaging verify facets of arithmetic that's absolute to fascinate the nonmathematician." — Isaac Asimov
"A lighthearted romp via modern arithmetic. . . . Mind Tools is a delight." — San Francisco Chronicle
"For those that gave up collage arithmetic for what appeared extra liberal arts, Rudy Rucker's publication, Mind Tools, is a stunning refresher direction. . . . He rekindles the beauty which could come from considering logarithms, exponential curves and transcendental numbers." — The big apple instances ebook Review
"One of Rucker's maximum resources is his skill to make complexities understandable to the overall reader with out lecturing." — The Washington Post
"Approaching all of arithmetic, and every little thing else, when it comes to details concept, Dr. Rucker's newest and most fun booklet opens vistas of remarkable attractiveness — scenes that mix order with chaos, fact with delusion, that startle you with their depths of impenetrable mystery." — Martin Gardner
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Additional resources for Mind Tools: The Five Levels of Mathematical Reality
He led it by the reins out to the main road where the cowhands were waiting with the cattle. The deputy was taking away her horse. The way Agnes figured it, he was stealing it! Agnes wasn’t about to let the deputy steal her horse. She raced to the barn, mounted another horse, and galloped off after him. Agnes spotted the deputy standing on the road with several cowboys. Then she saw her horse. Agnes rode up to the deputy and demanded her horse returned. The deputy refused. Agnes went after her horse anyway.
In 1804, when Sacagawea was about fifteen, a group of white men arrived at the village where she and Charbonneau lived. Meriwether Lewis and William Clark were on a journey across the continent. They were trying to reach the Pacific Ocean. The journey meant crossing the massive Rocky Mountains and traveling through a land inhabited by many American Indian peoples. Toussaint Charbonneau knew sign language. He joined the Lewis and Clark expedition as an interpreter. The exploration party, which consisted of thirty-two men and one woman—Sacagawea—was called the Corps of Discovery.
1 For thousands of years, people have lived west of the Mississippi River in what is now the western United States. Scientists believe that the American Indians originated in northern Asia. They probably first crossed over the Bering Strait from Siberia to Alaska about 13,000 years ago. It is believed that at that time, a land bridge there connected Asia and North America. As these peoples grew in number and spread out all across North and South America, many different cultures developed. American Indians from the western United States are very different from those in the Amazon region of South America.