This beautifully designed model account includes important new information which will not only be of great interest to botanists, conservationist and horticulturists but also to local people who are dependent on the diminishing natural habitats in central and southern Chile.
This book presents a collection of problems and puzzles, and provides the tools and projects to furnish all-too-sluggish minds with an... Læs mere
This is the first book of the updated collection of Mathematical Games from... Læs mere
Martin Gardner returns to charm readers with the latest on packing spheres, Reversi, braids, polyominoes, board games, and the puzzles of Lewis Carroll. Read about Knuth's Word Ladders program, new ways of finding the digits of pi, and much much more.