Posts Tagged ‘focal point’
Parabolas and focal points II
Posted by: Dave Richeson on June 5, 2009
Parabolas and focal points
Posted by: Dave Richeson on June 4, 2009
Division by Zero
A blog about math, puzzles, teaching, and academic technology
My book
Euler's Gem: The polyhedron formula and the birth of topology
Princeton University Press
2008
Euler's Gem Facebook page
Buy it:
Princeton University Press
Amazon
Princeton University Press
2008
Euler's Gem Facebook page
Buy it:
Princeton University Press
Amazon
