Quadratic Reciprocity Relations
 |  |  | (1) |
 | |  | (2) |
 | |  | (3) |
where
is the Legendre Symbol.See also Quadratic Reciprocity Theorem- Roman Surface
- Roman Symbol
- Romberg Integration
- Rook Number
- Rook Reciprocity Theorem
- Rooks Problem
- Room Square
- Root
- Root Dragging Theorem
- Rooted Tree
- Root Linear Coefficient Theorem
- Root-Mean-Square
- Root of Unity
- Root (Radical)
- Root Test
- Root (Tree)
- Rosatti's Theorem
- Rose
- Rosenbrock Methods
- Rotation
- Rotation Formula
- Rotation Group
- Rotation Matrix
- Rotation Number
- Rotation Operator