Half-Closed Interval
An Interval in which one endpoint is included but not the other. A half-closed interval is denoted 
or
and is also called a Half-Open Interval.
- Binormal Vector
- Bioche's Theorem
- Biotic Potential
- Bipartite Graph
- Biplanar Double Point
- Bipolar Coordinates
- Bipolar Cylindrical Coordinates
- Biprism
- Bipyramid
- Biquadratefree
- Biquadratic Equation
- Biquadratic Number
- Biquadratic Reciprocity Theorem
- Biquaternion
- Birational Transformation
- Birch Conjecture
- Birch-Swinnerton-Dyer Conjecture
- Birkhoff's Ergodic Theorem
- Birotunda
- Birthday Attack
- Birthday Problem
- Bisected Perimeter Point
- Bisection Procedure
- Bisector
- Bishop's Inequality