Theta Functions
- Blecksmith-Brillhart-Gerst Theorem
- Jacobi Theta Functions
- Jacobi Triple Product
- Landen's Formula
- Mock Theta Function
- Mordell Integral
- Neville Theta Functions
- Nome
- Ramanujan chi-Function
- Ramanujan f-Function
- Ramanujan psi-Function
- Ramanujan Theta Functions
- Riemann Theta Function
- Schröter's Formula
- Siegel Theta Function