Formulas
- Product (mathematics)
- Leibniz formula for π
- Product of group subsets
- Product of rings
- Progressive function
- Lemniscate constant
- Projection (mathematics)
- Projective Hilbert space
- Projective Set (game)
- Projective line
- Projective linear group
- Projective module
- Proper map
- Pseudometric space
- Lemniscate elliptic functions