Delta-K, Feature Articles, Volume 40, Issue 1 Finding Angle Bisectors and Inscribed Circles January 1, 2003 David E. Dobbs Read More
Delta-K, Problem Solving, Volume 40, Issue 1 The Length of the Radius of the Sphere January 1, 2003 Klaus Puhlmann Read More
Delta-K, Historical Corner, Volume 40, Issue 1 The Mathematical Constant Pie January 1, 2003 Klaus Puhlmann Read More