Example image of eyePlorer eyePlorer map for 'PlanetMath': Encyclopedia Free content Mathematics Community Pedagogy Virginia Polytechnic Institute and State University CRC Press Eric W. Weisstein MathWorld Wolfram Research American Mathematical Society Mathematics Subject Classification Copyleft LaTeX Mathematician Apache HTTP Server Linux Perl BSD licenses Artificial intelligence Computational physics American Association for the Advancement of Science Highly totient number Nontotient Angle bisector theorem Quasiperiodic function Butterfly theorem Sylvester's law of inertia Andrica's conjecture Brahmagupta–Fibonacci identity Menelaus' theorem Berlekamp–Massey algorithm Arithmetic derivative Carathéodory's theorem (convex hull) Dirichlet kernel Monodromy theorem Total variation Periodic group Taxicab geometry Generalized mean Overdispersion Signed measure Internet encyclopedia project Nilpotent matrix André Bloch (mathematician) Desargues' theorem Divergence theorem Edge coloring Poisson's equation List of wiki software