Mathematics
Articles about numbers, structures, logic and mathematical concepts.
Structured Query Language
Student's t-distribution
Student's t-test
Subset
Subset (mathematics)
Explanation of subsets: definitions, notation, examples, properties and distinctions such as proper subset and relation to power sets, aimed at a general mathematical audience.
Subset sum problem
Substitution box
Substitution-permutation network
Subtraction
Subtraction: the arithmetic operation of taking differences
Sudoku
Sudoku: the logic-based number-placement puzzle
Sum
Sum (mathematics)
Sun Tzu (mathematician)
Sun Tzu (Sun Zi) — Chinese mathematician and author of the Sunzi Suan Jing
Surface
Surface (geometry and physical layer)
Surface area
Surface area: definition, calculation, and applications
Surface integral
Surface-area-to-volume ratio
Surjective function
Surjective function (onto): definition, examples, properties, and distinctions
Symmetric-key algorithm
Symmetry
Symmetry: concepts, types, history and applications
System of linear equations
Overview of systems of linear equations: definitions, structure, solution types and common methods, brief history, and practical applications across science and engineering.
System of measurement
System of units
T
Talent (measurement)
Tangent
Tangent (mathematics and geometry)
Tangent (geometry)
Tau
Tau (Greek letter τ)
Tautology (logic)
Tautology in Propositional Logic — Definition, Examples, and Contrasts
Taxicab number
Taylor series
Taylor's theorem
Tensor
Terasecond and longer
Terasecond and longer time spans
Term (mathematics)
Tessellation
Tessellation (tiling of the plane)
Tesseract
Tesseract — the four-dimensional hypercube
A tesseract (4‑cube) is the four-dimensional analogue of a cube: a regular convex 4‑polytope composed of eight cubic cells, studied in geometry, visualization, and theoretical cont
Teth
Tet (Teth) — the ninth letter of the Hebrew alphabet
Tetracontagon
Tetracontagon (40-sided polygon)
Tetradecagon
Tetradecagon (14-sided polygon)
Tetrahedron
Tetration
Tetration: the hyperoperation after exponentiation
Tetration is the fourth hyperoperation: iterated exponentiation. It grows faster than exponentials, has special notation (e.g. a ↑↑ n or ^{n}a), and admits inverse operations and a
Theorem
Theorem (mathematics): definition, proof methods, and importance
Theorema egregium
Gauss's Theorema Egregium — the intrinsic curvature of surfaces
Theory of computation
Theta
Theta: Greek letter, history, and scientific uses