Similar to 四角六片四角孔ねじれ正多面体

D-module

Sunflower (mathematics)

Delta-ring

E (complexity)

EISPACK

Elementary Calculus: An Infinitesimal Approach

ElGamal signature scheme

Encyclopedia of Triangle Centers

ESPACE

Euler Mathematical Toolbox

EXPSPACE

EXPTIME

E8 (mathematics)

Fast Library for Number Theory

FFTW

Forum Geometricorum

FreeMat

Fσ set

F-coalgebra

F-space

F-algebra

GCD domain

GeoGebra

Great Internet Mersenne Prime Search

GiNaC