Chung F , Lu L Complex Graphs and Networks 2006

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• вњ… MAGNETIC DRY ERASE GRID DESIGNED BY TEACHERS - Simply Magic Magnetic X-Y Coordinate Dry Erase Grid is designed by teachers for the best learning experiences. Have fun teaching a variety of Math topics both in Algebra and Geometry, Grades K+! Use each piece of the grid alone for a focused study of quadrants I, II, III or IV or put them together to form a giant X-Y coordinate grid!
  
• вњ… MODEL GRAPHING AND EXPLAIN MATH CONCEPTS TO KIDS EASILY - Simply Magic dry erase graphing board includes 4 magnetic dry erase pieces representing quadrants I, II, III and IV. Measuring 30x30 inches when all four pieces are assembled, this large coordinate grid dry erase board has bold X and Y axes and can be easily seen from a distance. Easily write-on and quickly wipe-off, use the coordinate grid over and over to visualize graphing and practice Math problems.
  
• рџЋЃ PERFECT GIFT TO SUPPORT LEARNING AT HOME OR IN A CLASSROOM - Simply Magic coordinate plane for whiteboard is a great gift for children, parents, teachers and educators. Perfect for interactive lessons in a classroom or as a homeschooling math learning tool!
  
• вњ… SAFE, DURABLE & REUSABLE CLASSROOM MATH SUPPLIES - this dry erase graph is fully ASTM and CPSIA certification compliant making it safe for use by children and educators. Simply Magic dry erase board grid comes with a strong magnetic backing that securely adheres to any magnetic receptive surface. Durable dry erase, anti-scratch laminated surface allows this magnetic white board grid last for years.
  
• вњ… GOOD CAUSE + 30 DAY 100% MONEY-BACK GUARANTEE - We take pride in our work choosing environmentally safe and sustainable materials. A portion of the money we make is contributed towards educational non-profit projects to help children who otherwise would not have access to education. If you don't like Simply Magic Magnetic X-Y Dry Erase Coordinate Grid for any reason - simply return it within 30 days for a full refund.