Exponential Sum Formulas
 |  |  | |
|  | (1) |
where
 | (2) |
 | |  | (3) |
 | |  | (4) |
By looking at the Real and Imaginary Parts of these Formulas,sums involving sines and cosines can be obtained.
- HexLife
- Hex Number
- Hexomino
- Hex (Polyhex)
- Hex Pyramidal Number
- Heyting Algebra
- H-Fractal
- H-Function
- Hh Function
- Higher Arithmetic
- Highest Weight Theorem
- HighLife
- Highly Abundant Number
- Highly Composite Number
- Higman-Sims Group
- Hilbert Basis Theorem
- Hilbert Curve
- Hilbert Function
- Hilbert Hotel
- Hilbert Matrix
- Hilbert Number
- Hilbert Polynomial
- Hilbert's Axioms
- Hilbert-Schmidt Norm
- Hilbert-Schmidt Theory