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Division by Zero

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Visit this site: http://divisbyzero.com/
Author:Dave Richeson
Description: A blog about "math, puzzles, teaching, and academic technology." Posts, which date back to September of 2008 and sometimes introduce original applets, have included "Volumes of n-dimensional balls," "Albrecht Dürer's ruler and compass constructions," "Mathematical surprises," "Carnot's Theorem," "Pittsburgh Steelers logo using parametric curves," "What is the difference between a theorem, a lemma, and a corollary?" and "Why do mirrors reverse right and left but not up and down?" and "What shape are the golden arches?" Richeson, the author of Euler's Gem: The polyhedron formula and the birth of topology, chairs the Department of Mathematics and Computer Science at Dickinson College.
Levels: Middle School (6-8), High School (9-12), College
Languages: English
Resource Types: Problems/Puzzles, Web-Based Discussions, Web Interactive/Java
Math Topics: Basic Algebra, Patterns/Relationships, Calculus (Single Variable), Calculus (Multivariable), Discrete Math, Dynamical Systems, Euclidean Plane Geometry, Transformational Geometry, Topology
Math Ed Topics: General Programs/Approaches, Technology in Math Ed

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