ریاضیات زیر میکروسکوپ

It is an unusual book which casts new and paradoxical light on the nature of mathematics. The book will be interesting -- perhaps for different reasons -- to school teachers of mathematics and maths majors at universities, to graduate students in mathematics and computer science, to research mathematicians and computer scientists, to philosophers and historians of mathematics, to psychologists and neurophysiologists. For the newcomer and old hand alike the Discworld can be a fatally confusing planet. From the great city of Ankh-Morpork, featuring a river you could skateboard across if it wasn't so knobbly, to the distant Ramtop Mountains and mysterious Counterweight Continent, the Discworld is a place where Death waits around every corner... For safety's sake, you need a guide. And here it is. Terry Pratchett and Stephen Briggs, respectively chronicler and cartographer of the Discworld, have the produced the one and only definitive guide to the flat planet - its geography, its flora and fauna, its (many) religions, its architecture and customs, and its outstanding personalities. What is a Quantum Weather Butterfly? What does Death keep on his desk? Would you drink Bearhugger's Homeopathic Sipping Whiskey? How are the kings of Ankh-Morpork different from the kings of Ankh? Everything the Discworld traveller needs to know is contained in these pages, together with useful maps and illustrations of significant places and emblems in this unique world. "Religion is a controversial business in the Discworld. Evervone their own opinion, and indeed their own gods. Who come in all shapes and sizes. In such a competitive environment, there is a pressing need to make one's presence felt. And its certainly not remotely helpful to be reduced to appearing in the form ot a tortoise, a manifestation far below god-like in anyone's book. In such instances, you need an acolyte, and fast. Preferably one who won't ask too many questions ..."--Back cover In these pages you will find over 100 inventive variations around a circular theme using modular origami. You can fold these wreaths and garlands as holiday ornaments photo frames jewelry greeting cards or gift decorations. The possibilities are endless. Clear and easy instructions are designed to aid beginning folders. Experienced folders will also enjoy these elegant and original origami models. 123 pages with easy to follow step by step black and white line illustrations. A step-by-step guide to creating a range of stunning designs and models. Projects vary in difficulty, making this an ideal project book for both beginners and experts in the craft. Clear instructions and fully illustrated project steps make this a practical an entertaining book. Who taught witchcraft to Granny Weatherwax? What does Death keep on his desk? This is an A-Z guide to the characters, places, flora and fauna of Terry Pratchett's fantasy planet, Discworld, with sketches and maps of the key locations. In the beginning was the Word. And the Word was: "Hey, you!" For Brutha the novice is the Chosen One. He wants peace and justice and brotherly love. He also wants the Inquisition to stop torturing him now, please...