Similar to MATLAB

Digital Library of Mathematical Functions

Disquisitiones Arithmeticae

DPLL algorithm

DSPACE

DTIME

Sunflower (mathematics)

Delta-ring

E (complexity)

Elementary Calculus: An Infinitesimal Approach

ElGamal signature scheme

Encyclopedia of Triangle Centers

EXPSPACE

EXPTIME

E8 (mathematics)

Fast Library for Number Theory

Forum Geometricorum

Fσ set

F-coalgebra

F-space

F-algebra

GCD domain

GeoGebra

Great Internet Mersenne Prime Search

GiNaC

Gelfand–Naimark–Segal construction