Formulas
- Exponentially equivalent measures
- Expression (mathematics)
- Ext functor
- Extended natural numbers
- Extendible cardinal
- Extension of a topological group
- Extranatural transformation
- Extraneous and missing solutions
- Extrapolation
- Extremal graph theory
- Extremal length
- Extremal orders of an arithmetic function
- F-algebra
- F-coalgebra
- F26A graph