Modulus (Quadratic Invariants)
The quantity 
obtained by letting
 |  |  | (1) |
 | |  | (2) |
in
 | (3) |
 | |  | (4) |
 | |  | (5) |
 | |  | (6) |
and
 | (7) |
- Hairy Ball Theorem
- Half
- Half-Closed Interval
- Half-Normal Distribution
- Half-Open Interval
- Halley's Irrational Formula
- Halley's Method
- Halley's Rational Formula
- Hall-Janko Group
- Halphen Constant
- Halphen's Transformation
- Halting Problem
- Hamiltonian Circuit
- Hamiltonian Cycle
- Hamiltonian Graph
- Hamiltonian Group
- Hamiltonian Map
- Hamiltonian Path
- Hamiltonian System
- Hamilton's Equations
- Hamilton's Rules
- Hammer-Aitoff Equal-Area Projection
- Hamming Function
- Ham Sandwich Theorem
- Handedness