L-Polyomino
The order 
L-polyomino consists of a vertical line of 
Squares with a single additionalSquare attached at the bottom.
- Laguerre's Repeated Fraction
- Laisant's Recurrence Formula
- Lakshmi Star
- Lal's Constant
- Laman's Theorem
- Lambda Calculus
- Lambda Function
- Lambda Group
- Lambda Hypergeometric Function
- Lambert Azimuthal Equal-Area Projection
- Lambert Conformal Conic Projection
- Lambert Series
- Lambert's Method
- Lambert's Transcendental Equation
- Lambert's W-Function
- Lamina
- Laminated Lattice
- Lam's Problem
- Lamé Curve
- Lamé Function
- Lamé's Differential Equation
- Lamé's Differential Equation (Types)
- Lamé's Theorem
- Lancret Equation
- Lancret's Theorem