Antisquare Number
A number of the form 
is said to be an antisquare if it fails to be a Square Number for the tworeasons that 
is Odd and 
is a nonsquare modulo 
.
- Tschirnhausen Cubic Pedal Curve
- Tschirnhausen Transformation
- Tubular Neighborhood
- Tucker Circles
- Tukey's Biweight
- Tukey's Trimean
- Tunnel Number
- Turbine
- Turing Machine
- Turning Angle
- Turán Graph
- Turán's Inequalities
- Turán's Theorem
- Tutte Polynomial
- Tutte's Graph
- Tutte's Theorem
- Twin Peaks
- Twin Prime Conjecture
- Twin Primes
- Twin Primes Constant
- Twins
- Twirl
- Twist
- Twisted Chevalley Groups
- Twisted Conic