Formulas
- Fenchel's theorem
- Fransén–Robinson constant
- Fraunhofer diffraction
- Fresnel diffraction
- Friedlander–Iwaniec theorem
- Friendship paradox
- Frobenius pseudoprime
- Fréchet inequalities
- Full width at half maximum
- Function of a real variable
- Functional derivative
- Fundamental interaction
- Fundamental unit (number theory)
- Halley's method
- Hamilton's principle