Curvature Scalar
The curvature scalar is given by
where
is the Metric Tensor and 
is the Ricci Tensor.See also Curvature, Gaussian Curvature, Mean Curvature, Metric Tensor, Radius of Curvature,Ricci Tensor, Riemann-Christoffel Tensor- Trigonometry Values Pi/20
- Trigonometry Values Pi/3
- Cycle (Circle)
- Cycle Graph
- Cycle (Map)
- Cycle (Permutation)
- Cyclic Graph
- Cyclic Group
- Cyclic Hexagon
- Cyclic-Inscriptable Quadrilateral
- Cyclic Number
- Cyclic Pentagon
- Cyclic Permutation
- Cyclic Polygon
- Cyclic Quadrangle
- Cyclic Quadrilateral
- Cyclic Redundancy Check
- Cyclid
- Cyclide
- Cyclidic Coordinates
- Cycloid
- Cycloid Evolute
- Cycloid Involute
- Cycloid Radial Curve
- Cyclomatic Number