Formulas
- Singular point of a curve
- Singular value decomposition
- Six-dimensional space
- Six factor formula
- Size effect on structural strength
- Slope
- Slope number
- Small-angle approximation
- Small retrosnub icosicosidodecahedron
- Smoothed-particle hydrodynamics
- Snub disphenoid
- Snub dodecadodecahedron
- Snub polyhedron
- Snub square antiprism
- Stability constants of complexes