French Curve
French curves are plastic (or wooden) templates having an edge composed of several different curves. French curves are used indrafting (or were before computer-aided design) to draw smooth curves of almost any desired curvature in mechanical drawings. Several typical French curves are illustrated above.
See also Cornu Spiral- Site Percolation
- Siteswap
- Six-Color Theorem
- Skein Relationship
- Skeleton
- Skeleton Division
- Skew Conic
- Skewes Number
- Skew Field
- Skew Lines
- Skewness
- Skew Polyomino
- Skew Quadrilateral
- Skew Symmetric Matrix
- Sklar's Theorem
- Skolem-Mahler-Lerch Theorem
- Skolem Paradox
- Skolem Sequence
- Slant Height
- Slice Knot
- Slide Move
- Slide Rule
- Slightly Defective Number
- Slightly Excessive Number
- Slip Knot