Formulas
- Baumslag–Solitar group
- Beatty sequence
- Benjamin Gompertz
- List of sums of reciprocals
- Bergman kernel
- List of things named after Leonhard Euler
- Littelmann path model
- Bernhard Riemann
- Bernoulli's inequality
- Pathological (mathematics)
- Paul Cohen
- Paul Koebe
- Pauli matrices
- Bernoulli number
- Bernoulli polynomials