Stationary Point
A point 
at which the Derivative of a Function 
vanishes,
A stationary point may be a Minimum, Maximum, or Inflection Point.See also Critical Point, Derivative, Extremum, First Derivative Test, Inflection Point,Maximum, Minimum, Second Derivative Test
- Lattice Animal
- Lattice Distribution
- Lattice Graph
- Lattice Groups
- Lattice Path
- Lattice Point
- Lattice Reduction
- Lattice Sum
- Lattice Theory
- Latus Rectum
- Laurent Polynomial
- Laurent Series
- Law
- Law of Anomalous Numbers
- Law of Cancellation
- Law of Cosines
- Law of Large Numbers
- Law of Sines
- Law of Small Numbers
- Law of Tangents
- Law of Truly Large Numbers
- Lax-Milgram Theorem
- Lax Pair
- Layer
- Leading Digit Phenomenon