Twist Map
A class of Area-Preserving Maps of the form
 |  |  | |
 | |  |
which maps Circles into Circles but with a twist resulting from the
term.- Number Theory
- Number Triangle
- Number Wall
- Numerator
- Numerical Derivative
- Numerical Integration
- Numeric Function
- Numerology
- NURBS Curve
- NURBS Surface
- Nyquist Frequency
- Nyquist Sampling
- Néron-Severi Group
- Nöther
- Obelus
- Object
- Oblateness
- Oblate Spheroid
- Oblate Spheroidal Coordinates
- Oblate Spheroidal Wave Function
- Oblate Spheroid Geodesic
- Oblique Angle
- Oblong Number
- Obstruction
- Obtuse Angle