MathWorld Interactive Demonstrations

(0,1)-Matrix	Geometric Problems of...	Platonic Solid
10	Geometric Sequence	Poggendorff Illusion
120-Cell	Geometric Series	Poincaré Hyperbolic Disk
15 Puzzle	Geometry	Poincaré Map
196-Algorithm	Gergonne Point	Point
24	Gershgorin Circle Theorem	Point Groups
57-Cell	Gibbs Phenomenon	Point Lattice
600-Cell	Gilbreath's Conjecture	Point-Line Distance--2...
6-Sphere Coordinates	Gingerbreadman Map	Point-Line Distance--3...
Abacus	Girard's Spherical Exc...	Point-Plane Distance
Abelian Group	Glaisher-Kinkelin Cons...	Point-Point Distance--...
Abel's Convergence The...	Global Extremum	Poisson Distribution
Abel's Impossibility T...	Global Maximum	Poisson Integral
Absolute Value	Gnomon	Poisson Kernel
Acceleration	Gnomonic Projection	Poisson Process
Accumulation Point	Go	Poisson's Equation
Ackermann Function	Gödel Number	Poker
Action	Golay Code	Polar Coordinates
Actuarial Science	Goldbach Conjecture	Polar Equation
Acute Angle	Goldbach Partition	Polar Plot
Acute Triangle	Golden Ratio	Polar Sine
Acyclic Digraph	Golden Rectangle	Polar Triangle
Adams' Circle	Golden Rhombohedron	Polar Zonohedron
Addition	Golden Rhombus	Pole
Additive Cellular Auto...	Golden Spiral	Pólya Conjecture
Adjacency Matrix	Gomory's Theorem	Pólya Enumeration Theorem
Affine Transformation	Gompertz Curve	Pólya Plot
Airy Functions	Goodstein Sequence	Polycube
Alexander Polynomial	Goodstein's Theorem	Polyform
Alexander's Horned Sphere	Gosper Island	Polygon
Algebra	Goursat's Surface	Polygonal Number
Algebraic Integer	Gradient	Polygonal Spiral
Algebraic Number	Gram-Schmidt Orthonorm...	Polygon Area
Algebraic Surface	Graph	Polygon Circumscribing
Aliasing	Graph Automorphism	Polygon Diagonal
Alpha	Graph Bridge	Polygon Intersection
Alternating Group	Graph Complement	Polygon Vertex
Alternating Harmonic S...	Graph Crossing Number	Polyhedral Formula
Alternating Series Test	Graph Difference	Polyhedron
Altitude	Graph Edge	Polyhedron Dissection
Amicable Pair	Graph Embedding	Polyhex
Analytic Geometry	Graph Excision	Polyiamond
AND	Graph Genus	Polylogarithm
Angle	Graph Intersection	Polynomial
Angle Bisector	Graph Isomorphism	Polynomial Degree
Angle Bisector Theorem	Graph Power	Polynomial Equation
Angle Trisection	Graph Theory	Polynomial Factorization
ANOVA	Graph Union	Polynomial Identity
Antialiasing	Graph Vertex	Polynomial Quotient
Antipodal Points	Gray Code	Polynomial Roots
Antiprism	Great Circle	Polyomino
Aperiodic Tiling	Great Dodecahedron	Poncelet's Porism
Apéry's Constant	Greatest Common Divisor	Poncelet Transverse
Apodization Function	Great Icosahedron	Pontryagin Maximum Pri...
Apollonian Gasket	Great Rhombicosidodeca...	Population Growth
Apollonius Circle	Great Rhombic Triacont...	Positive Definite Quad...
Apollonius' Problem	Great Rhombicuboctahedron	Positive Integer
Apollonius Pursuit Pro...	Great Stellated Dodeca...	Potential Function
Apothem	Greek Cross	Power
Approximation Theory	Green's Function	Power Curve
Arbelos	Green's Theorem	Power Mean
Arc	Gregory Number	Power Series
Archimedean Solid	Gregory Series	Power Set
Archimedes' Circles	Grid Graph	Power Spectrum
Archimedes' Hat-Box Th...	Gröbner Basis	Power Tower
Archimedes' Spiral	Group	Pratt Certificate
Arc Length	Group Generators	Precedence
Area	Group Orbit	Predictor-Corrector Me...
Area Element	Group Representation	Present Value
Argand Diagram	Group Theory	Prime
Argument Principle	Guilloché Pattern	Prime Counting Function
Aristotle's Wheel Paradox	Gumbel Distribution	Prime Difference Function
Arithmetic	Guy's Conjecture	Prime Factor
Arithmetic-Harmonic Mean	Gyroelongated Dipyramid	Prime Factorization
Arithmetic Mean	Gyroelongated Square D...	Prime Gaps
Arithmetic Progression	Haar Function	Prime Link
Arithmetic Series	Haberdasher's Problem	Prime Number
Arnold's Cat Map	Haferman Carpet	Prime Number Theorem
Arrow's Paradox	Hailstone Number	Prime Spiral
Astroid	Half-Angle Formulas	Primitive Pythagorean...
Asymptote	Half-Closed Interval	Primitive Recursive Fu...
Asymptotic Direction	Half-Space	Primitive Right Triangle
Attractor	Hamiltonian Circuit	Primitive Root
Aurifeuillean Factoriz...	Hamiltonian Cycle	Primorial
Autocorrelation	Hamilton's Equations	Principal Curvatures
Automata Theory	Hamming Code	Principal Direction
Average Power	Hamming Distance	Principle of Mathemati...
Azimuth	Hamming Function	Prism
Babylonian Numerals	Hankel Function of the...	Prismatoid
Backtracking	Hankel Function of the...	Prisoner's Dilemma
Backward Difference	Hanning Function	Probability
Baguenaudier	Hardy-Littlewood Conje...	Probability Density Fu...
Ball	Harmonic	Product Rule
Ballot Problem	Harmonic Addition Theorem	Projection
Banach-Tarski Paradox	Harmonic Analysis	Projection Matrix
Bankoff Circle	Harmonic Function	Projective Geometry
Banzhaf Power Index	Harmonic Mean	Projective Plane
Bar Chart	Harmonic Number	Projective Special Lin...
Barnes G-Function	Harmonic Series	Prolate Spheroidal Coo...
Base	Harmonograph	Proof without Words
Basis	Hart Circle	Propeller
Baum-Sweet Sequence	Hart's Inversor	Proper Fraction
Bayesian Analysis	Hasse Diagram	Propositional Calculus
Bayes' Theorem	Hausdorff Dimension	Protractor
Bead-Sort	Hausdorff Paradox	Prüfer Code
Bell Number	Haversine	p-Series
Benford's Law	Hazard Function	Pseudoprime
Bernoulli Distribution	Heads-Minus-Tails Dist...	Pseudorandom Number
Bernoulli Inequality	Heart Curve	Pseudosphere
Bernoulli Number	Heart Surface	Ptolemy's Theorem
Bernstein Polynomial	Heat Conduction Equation	Pursuit Curve
Bertrand's Problem	Heaviside Step Function	P-Value
Bessel Differential Eq...	Heawood Graph	Pyramid
Bessel Function	Heilbronn Triangle Pro...	Pyramidal Frustum
Bessel Function of the...	Heisenberg Group	Pythagoras's Theorem
Bessel Function of the...	Helicoid	Pythagoras Tree
Bessel Function Zeros	Helix	Pythagorean Means
Bessel's Finite Differ...	Helmholtz Differential...	Pythagorean Theorem
Beta	Hénon Map	Pythagorean Triangle
Beta Distribution	Heptagon	Pythagorean Triple
Beta Function	Heptagonal Number	q-Analog
Bézier Curve	Hereditary Representation	q-Binomial Coefficient
Bézout's Theorem	Hering Illusion	q-Cosine
Bhargava's Theorem	Hermann Grid Illusion	q-Exponential Function
Biaugmented Triangular...	Hermite Polynomial	QR Decomposition
Bicentric Quadrilateral	Hermitian Matrix	q-Series
Bicone	Hermitian Operator	q-Sine
Bifolium	Heronian Triangle	Quadratic
Bifurcation	Heron's Formula	Quadratic Equation
Bijection	Hessian	Quadratic Field
Bijective	Hexadecimal	Quadratic Form
Billiards	Hexagon	Quadratic Formula
Bilunabirotunda	Hexagonal Close Packing	Quadratic Map
Binary	Hexagonal Grid	Quadratic Polynomial
Binary Bracketing	Hexagonal Number	Quadratic Reciprocity...
Binary Operation	Hexagonal Prism	Quadratic Residue
Binary Operator	Hexagonal Scalenohedron	Quadratic Surd
Binary Search	Hexagram	Quadratic Surface
Binet-Cauchy Identity	Hexecontahedron	Quadratrix of Hippias
Binomial	Hex Number	Quadrature
Binomial Coefficient	Hexyl Triangle	Quadric
Binomial Distribution	H-Fractal	Quadrilateral
Binomial Theorem	Hilbert Curve	Quantile
Binormal Vector	Hilbert Hotel	Quartic Equation
Biotic Potential	Hilbert Matrix	Quartic Surface
Birthday Problem	Hilbert's Problems	Quartile
Bisection	Histogram	Quaternion
Bivariate	Hjelmslev's Theorem	Qubit
Bivariate Normal Distr...	Hoehn's Theorem	Queens Problem
Blackman Function	Hoffman-Singleton Graph	Queue
Black-Scholes Theory	Hofstadter-Conway $10,...	Quicksort
Blancmange Function	Holomorphic Function	Quintic Equation
Bloch Sphere	Homeomorphism	Quotient
Block Design	Homogeneous Coordinates	Quotient Rule
Bolzano's Theorem	Homogeneous Function	Radian
Bolzano-Weierstrass Th...	Homothecy	Radical Center
Bomb Problem	Homothetic	Radical Line
Bonferroni Correction	Honeycomb	Radical Root
Boolean Algebra	Hopf Bifurcation	Radius
Boolean Function	Hosohedron	Radius of Curvature
Booleans	Huffman Coding	Radon Transform
Boole's Rule	Hundred-Dollar, Hundre...	Ramanujan Continued Fr...
Bootstrap Methods	Hyperbola	Ramsey Number
Bootstrap Percolation	Hyperbolic Cosine	Random
Borromean Rings	Hyperbolic Cube	Random Graph
Bose-Einstein Distribu...	Hyperbolic Dodecahedron	Random Matrix
Bott Periodicity Theorem	Hyperbolic Functions	Random Number
Boundary Conditions	Hyperbolic Geometry	Random Polygon
Boundary Value Problem	Hyperbolic Icosahedron	Random Variable
Bouniakowsky Conjecture	Hyperbolic Octahedron	Random Variate
Bour's Minimal Surface	Hyperbolic Paraboloid	Random Walk
Bowley Skewness	Hyperbolic Point	Random Walk--1-Dimensi...
Box-and-Whisker Plot	Hyperbolic Polar Sine	Random Walk--2-Dimensi...
Box Fractal	Hyperbolic Polyhedron	Random Walk--3-Dimensi...
Boy Surface	Hyperbolic Sine	Range
Brachistochrone Problem	Hyperbolic Spiral	Rank Test
Branch	Hyperbolic Tangent	Ratio
Branch Cut	Hyperbolic Tetrahedron	Rational Approximation
Breadth-First Traversal	Hyperboloid	Rational Distance Problem
Brelaz's Heuristic Alg...	Hypercube	Rational Function
Bresenham's Line Algor...	Hyperfactorial	Rational Number
Brianchon's Theorem	Hypergeometric Distrib...	RATS Sequence
Brouwer Fixed Point Th...	Hypergeometric Function	Rayleigh Distribution
B-Spline	Hypergraph	Rayleigh-Ritz Variatio...
Buffon's Needle Problem	Hyperplane	Real Analytic Function
Bullseye Illusion	Hypersphere	Real Number
Busy Beaver	Hypersphere Packing	Real Projective Plane
Butterfly Effect	Hypersphere Point Picking	Reciprocal
Butterfly Theorem	Hypersurface	Rectangle
Caesar's Method	Hypocycloid	Rectangle Function
Café Wall Illusion	Hypothesis Testing	Rectangular Hyperbola
Cage Graph	Hypotrochoid	Rectangular Matrix
Calabi-Yau Space	Icosahedral Group	Rectifying Plane
Calculus	Icosahedron	Rectilinear Crossing N...
Calculus of Variations	Icosahedron 2-Compound	Recurrence Equation
Cannonball Problem	Icosahedron Stellations	Recurrence Plot
Canonical Polygon	Icosidodecahedron	Recurrence Relation
Cantor Dust	Identity Function	Recurring Digital Inva...
Cantor Function	Illumination Problem	Recursion
Cantor's Equation	Illusion	Recursive Function
Cantor Set	Illusory Contour Figures	Recursive Sequence
Cantor Square Fractal	Imaginary Number	Reduced Fraction
Cardioid	Imaginary Unit	Reducible Fraction
Cardioid Catacaustic	Implicit Function	Reflection
Cardioid Involute	Impossible Figure	Reflex Angle
Carlyle Circle	Improper Fraction	Register Machine
Carmichael Function	Improper Integral	Regression
Carnot's Theorem	Incenter	Regression Coefficient
Carry	Incenter-Excenter Circle	Regular Polygon
Cartesian Coordinates	Incentral Triangle	Regular Polygon Divisi...
Cartesian Plane	Incidence Matrix	Relation
Cassini Ovals	Incircle	Relatively Prime
Catacaustic	Incomplete Gamma Function	Relaxation Methods
Catalan Number	Independent Events	Remainder
Catalan's Constant	Index Number	Repeating Decimal
Catastrophe	Inequality	Rep-Tile
Catenary	Inexact Differential	Repunit
Cauchy Criterion	Inflection Point	Resampling Statistics
Cauchy-Frobenius Lemma	Information Theory	Residual
Cauchy Problem	Injection	Residue
Cauchy Sequence	Inner Product	Residue Theorem
Cauchy's Inequality	Inner Soddy Circle	Resistor Network
Cauchy's Mean-Value Th...	Inradius	Reuleaux Polygon
Causal Network	Inscribed	Reuleaux Triangle
Caustic	Inscribed Angle	Reversal
Cavalieri's Principle	In-Shuffle	Reverse Polish Notation
Cayley Algebra	Integer	Reverse-Then-Add Sequence
Cayley Graph	Integer Function	Reversion to the Mean
Cayley Tree	Integer Lattice	Rhombic Dodecahedron
Ceiling Function	Integer Part	Rhombic Dodecahedron S...
Cellular Automaton	Integer Polynomial	Rhombic Enneacontahedron
Central Angle	Integer Triangle	Rhombic Hexecontahedron
Central Difference	Integrable	Rhombic Icosahedron
Central Limit Theorem	Integral	Rhombic Spirallohedron
Centroid Hexagon	Integral Test	Rhombic Triacontahedron
Cesàro Fractal	Integration	Rhombic Triacontahedro...
Ceva's Theorem	Interest	Rhombohedron
Cevian	Interior Point Method	Rhombus
Chain Rule	Intermediate Value The...	Riccati Differential E...
Champernowne Constant	Internal Knot	Riemann Function
Chaos	Interpolation	Riemann Hypothesis
Chaos Game	Intersecting Lines	Riemann Integral
Characteristic Function	Intersection	Riemann Prime Counting...
Characteristic Polynomial	Interval	Riemann Sphere
Chebyshev Functions	Interval Arithmetic	Riemann Sum
Chebyshev Inequality	Intouch Triangle	Riemann Surface
Chebyshev Polynomial o...	Intrinsically Linked	Riemann Zeta Function
Chebyshev Polynomial o...	Intrinsic Curvature	Riemann Zeta Function...
Chernoff Face	Inverse Function	Riffle Shuffle
Chess	Inverse Gaussian Distr...	Right Angle
Chi	Inverse Haversine	Right-Hand Rule
Chinese Remainder Theorem	Inverse Hyperbolic Fun...	Right Triangle
Chiral	Inversely Similar	Rigid Graph
Chi-Squared Distribution	Inverse Trigonometric...	Ring
Chord	Inversion	Risch Algorithm
Chordal Theorem	Inversive Geometry	Rodrigues' Curvature F...
Christmas Stocking The...	Involute	Rössler Attractor
Chromatic Polynomial	Irradiation Illusion	Rogers-Ramanujan Conti...
Cipher	Irrational Number	Roman Numerals
Circle	Irreducible Fraction	Romberg Integration
Circle Catacaustic	Irreducible Polynomial	Root
Circle-Circle Intersec...	Irrotational Field	Rooted Tree
Circle Covering	ISBN	Root-Mean-Square
Circle Covering by Arcs	Isogonal Conjugate	Root of Unity
Circle Involute	Isohedron	Root System
Circle Lattice Points	Isometric	Rose
Circle Packing	Isometry	Rosenbrock Function
Circle-Point Midpoint...	Isoperimetric Inequality	Rosser's Theorem
Circle Point Picking	Isoperimetric Quotient	Rotating Square Illusion
Circle Tangent Line	Isosceles Trapezoid	Rotation
Circular Sector	Isosceles Triangle	Rotation Group
Circular Segment	Isothermal Parameteriz...	Rotation Matrix
Circumcenter	Iterated Function System	Roulette
Circumcircle	Iterated Map	Rounding
Circumference	Ito's Lemma	Round Number
Circumradius	Jacobian	Roundoff Error
Cissoid	Jacobi Polynomial	Routh's Theorem
Cissoid of Diocles Cat...	Jacobi Symbol	RSA Encryption
Clean Tile Problem	Jensen's Inequality	Rubik's Cube
Clebsch-Gordan Coeffic...	Jensen's Theorem	Rudin-Shapiro Sequence
Clebsch Graph	Jerk	Rule
Clifford Algebra	Johnson Circles	Rule 102
Clique	Johnson Solid	Rule 110
Clique Graph	Johnson's Theorem	Rule 126
Clique Number	Johnson-Yff Circles	Rule 150
Closed Curve	Jordan Curve Theorem	Rule 158
Cluster	Jordan Matrix Decompos...	Rule 182
Cluster Analysis	Josephus Problem	Rule 188
Coding Theory	Julia Set	Rule 190
Coin Paradox	Kanizsa Triangle	Rule 220
Coin Problem	Kaprekar Routine	Rule 222
Coin Tossing	Karatsuba Multiplication	Rule 30
Colatitude	Karnaugh Map	Rule 50
Collatz Problem	Kempe Chain	Rule 54
Collinear	Kempe Linkage	Rule 60
Coloring	Kenmotu Circle	Rule 62
Combination	Kepler-Poinsot Solid	Rule 90
Combinator	Kepler's Equation	Rule 94
Combinatorics	Kermack-McKendrick Model	Ruled Surface
Common Fraction	Khinchin's Constant	Rule of 72
Commutative	Kirkman's Schoolgirl P...	Run
Commutative Algebra	Kirkman Triple System	Runge-Kutta Method
Commute	Kiss Surface	Run-Length Encoding
Compactification	Kite	Russian Multiplication
Compact Support	Klein Bottle	Russian Roulette
Compass	Knapsack Problem	Saddle Point
Complete Bipartite Graph	Kneser Graph	Sagitta
Complete Elliptic Inte...	Knight's Tour	Salinon
Complete Graph	Knot	Sample
Complete Ternary Tree	Koch Antisnowflake	Sample Mean
Completing the Square	Koch Snowflake	Sample Size
Complex Addition	Korteweg-de Vries Equa...	Sample Variance
Complex Argument	Kosnita Point	Sample Variance Distri...
Complex Exponentiation	Kosnita Theorem	Sampling Theorem
Complex Function	Kronecker Delta	Sandwich Theorem
Complexity	Kruskal's Algorithm	Sarrus Linkage
Complex Map	k-Subset	Saunders Graphic
Complex Multiplication	Kuen Surface	Sawtooth Wave
Complex Number	Kűrschák's Theorem	Scalar Multiplication
Complex Plane	Kűrschák's Tile	Scale-Free Network
Complex Polynomial	L^2-Norm	Scalene Triangle
Complex Residue	Labeled Tree	Scaling
Composite Number	Lagrange Interpolating...	Scatter Diagram
Composition	Lagrange Multiplier	Schiffler Point
Compound Interest	Laguerre Polynomial	Schinzel Circle
Computational Geometry	Lambda Calculus	Schinzel's Theorem
Computational Irreduci...	Lambert Series	Schmitt-Conway Biprism
Concave Polygon	Lane-Emden Differentia...	Schröder Number
Concentric Circles	Laplace Distribution	Schrödinger Equation
Concurrent	Laplace's Equation	Schur Decomposition
Concyclic	Laplace Transform	Schwarzian Derivative
Conditional Probability	Laplacian	Schwarz's Inequality
Cone	Large Number	Schwarz's Minimal Surface
Cone Net	Latitude	Scientific Notation
Cone Set	Lattice	Secant
Confidence Interval	Lattice Method	Secant Line
Configuration	Lattice Path	Secant Method
Confluent Hypergeometr...	Lattice Point	Second Derivative Test
Confluent Hypergeometr...	Law of Cosines	Second Droz-Farny Circle
Confocal Ellipsoidal C...	Law of Large Numbers	Second Fermat Point
Conformal Mapping	Law of Sines	Second-Order Ordinary...
Congruence	Least Common Multiple	Seed
Congruent Number	Least Squares Fitting	Selection Sort
Conical Frustum	Least Squares Fitting-...	Self-Avoiding Walk
Conic Section	Lebesgue Integral	Self-Avoiding Walk Con...
Conic Section Directrix	Lebesgue Measure	Self-Counting Sequence
Connected Component	Leech Lattice	Self-Recursion
Connected Graph	Legendre Polynomial	Semicircle
Constant	Legendre's Formula	Semimajor Axis
Constructible Polygon	Legendre Symbol	Semiperimeter
Contact Triangle	Leibniz Criterion	Semiregular Tessellation
Content	Lemniscate	Sensitivity
Continued Fraction	Lens	Sequence
Continuous Distribution	Lerch Transcendent	Sequential Substitutio...
Continuous Function	Lester Circle	Series
Continuum	Level Curve	Series Expansion
Continuum Hypothesis	Level Set	Set Closure
Contour Integration	Lévy Distribution	Set Partition
Contour Winding Number	Lévy Flight	Sexagesimal
Control Theory	Levy's Conjecture	Sexy Primes
Convergent	Lexicographic Order	Shape Operator
Convergent Sequence	L'Hospital's Rule	Shear
Convex Cone	Life	Shear Matrix
Convex Function	Life Expectancy	Shephard's Conjecture
Convex Hull	Lights Out Puzzle	Shi
Convex Polygon	Limaçon	Shuffle
Convex Polyhedron	Limit	Sicherman Dice
Convex Polytope	Limit Cycle	Sierpiński Carpet
Convolution	Limit Point	Sierpiński Curve
Conway Circle	Lindenmayer System	Sierpiński Sieve
Conway Game	Line	Sieve of Eratosthenes
Conway Polyhedron Nota...	Linear Combination	Sigmoid Function
Conway Sequence	Linear Congruence Method	Significant Digits
Coordinate Chart	Linear Equation	Similar
Copeland-Erdős Constant	Linear Fractional Tran...	Similar Triangles
Copula	Linear Function	Simple Continued Fraction
Cork Plug	Linearly Dependent Vec...	Simple Curve
Cornu Spiral	Linear Operator	Simple Group
Correlation	Linear Ordinary Differ...	Simple Harmonic Motion
Correlation Coefficient	Linear Programming	Simple Interest
Correlation Coefficien...	Linear Recurrence Equa...	Simplex Method
Cosecant	Linear Regression	Simpson's 3/8 Rule
Cosine	Linear System of Equat...	Simpson's Paradox
Cosine Circle	Linear Transformation	Simpson's Rule
Cosine Integral	Line Bisector	Simson Line
Costa Minimal Surface	Line Graph	Sinc Function
Cotangent	Line Integral	Sine
Countably Infinite	Line-Line Distance	Sine-Gordon Equation
Coupon Collector's Pro...	Line-Line Intersection	Sine Integral
Courant-Friedrichs-Lew...	Line of Curvature	Sine Surface
Cousin Primes	Line-Plane Intersection	Singularity
Covariance	Line Segment	Singular Value
Covariance Matrix	Link	Singular Value Decompo...
Coxeter Graph	Linkage	Sinusoid
Cramer's Rule	Liouville Function	Sinusoidal Spiral
Craps	Liouville's Constant	SIR Model
Critical Line	Lipschitz Function	Six Circles Theorem
Critical Point	Lissajous Curve	Skew Lines
Cross-Cap	List	Skewness
Crossed Ladders Theorem	Local Graph	Skolemized Form
Cross Polytope	Loess Local Regression	Slide Rule
Cross Product	Logarithm	Slinky
Cross Section	Logarithmic Integral	Slope
Cryptanalysis	Logarithmic Spiral	Slope Field
Cryptography	Logarithmic Spiral Cat...	Slothouber-Graatsma Pu...
Cryptology	Logarithmic Spiral Inv...	Small Rhombicosidodeca...
Crystallographic Point...	Logic	Small Rhombicuboctahedron
Cube	Logistic Distribution	Small Rhombicuboctahed...
Cube 2-Compound	Logistic Equation	Small Stellated Dodeca...
Cube 4-Compound	Logistic Map	Small World Network
Cube 5-Compound	Logit Transformation	Smarandache-Wellin Number
Cube Duplication	Log Normal Distribution	Smooth Function
Cubic Close Packing	Long Division	Smooth Number
Cubic Curve	Longitude	Snub Cube
Cubic Equation	Long Multiplication	Snub Disphenoid
Cubic Graph	Look and Say Sequence	Snub Dodecahedron
Cubic Lattice	Lorentz Transformation	Social Choice Theory
Cubic Number	Lorenz Attractor	Social Golfer Problem
Cubic Polynomial	Lorenz Curve	Soddy Circles
Cubic Spline	Lotka-Volterra Equations	SOHCAHTOA
Cubic Surface	Lower Sum	Solid Angle
Cubic Symmetric Graph	Loxodrome	Solid of Revolution
Cuboctahedron	Lucas Circles	Soliton
Cuboid	Lucas Number	Solomon's Seal Lines
Cumulant	Lucas's Root Theorem	Sorting
Cumulation	Lucky Number	Space Curve
Cumulative Frequency	LU Decomposition	Space-Filling Function
Cumulative Product	Lune	Space-Filling Polyhedron
Cundy and Rollett's Egg	Lyapunov Characteristi...	Special Orthogonal Group
Curl	Machin's Formula	Specificity
Curlicue Fractal	Maclaurin Series	Spectral Norm
Curvature	Magic Square	Sperner's Theorem
Curve	Malfatti Circles	Sphere
Cycle Graph	Mandelbrot Set	Sphere Packing
Cyclic Group	Mangoldt Function	Sphere Point Picking
Cyclic Group C_4	Map	Sphere with Tunnel
Cyclic Number	Map Cycle	Spherical Bessel Function
Cyclic Quadrilateral	Map Folding	Spherical Coordinates
Cyclic Tag System	Map Orbit	Spherical Distance
Cyclide	Map Projection	Spherical Geometry
Cycloid	Marginal Analysis	Spherical Hankel Funct...
Cycloid Involute	Markov Chain	Spherical Hankel Funct...
Cyclotomic Polynomial	Markov Process	Spherical Harmonic
Cylinder	Martingale	Spherical Helix
Cylindrical Coordinates	Mascheroni Construction	Spherical Lune
Cylindrical Segment	Mastermind	Spherical Triangle
Cylindric Section	Matching	Spherical Trigonometry
d'Alembert's Solution	Mathieu Groups	Sphericon
Damped Simple Harmonic...	Matrix	Spheroid
Damped Simple Harmonic...	Matrix Direct Product	Spheroidal Harmonic
Damped Simple Harmonic...	Matrix Inverse	Spheroidal Wave Function
Damped Simple Harmonic...	Matrix Multiplication	Sphinx
Dandelin Spheres	Matrix Norm	Spieker Center
Dawson's Integral	Matrix Power	Spieker Circle
de Bruijn Graph	Matrix Rank	Spikey
de Bruijn Sequence	Matrix Trace	Spinor
Decagon	Maurer Rose	Spiral
Decagonal Number	Maximum	Spirograph
Decagram	Maximum Absolute Colum...	Spirolateral
Decimal	Maximum Absolute Row S...	Spline
Decimal Expansion	Maximum Entropy Method	Sporadic Group
Deconvolution	Maximum Likelihood	Square
Dedekind Cut	Maximum Likelihood Est...	Squarefree
Definite Integral	Maxwell Distribution	Squarefree Part
Degenerate	Maze	Square-in-a-Circle Ill...
Degree	McNugget Number	Square Matrix
Degree of Freedom	Mean	Square Number
Degree Sequence	Mean-Value Theorem	Square Packing
Dehn Invariant	Measure	Square Pyramid
Delannoy Number	Measure Theory	Square Pyramidal Number
Delaunay Triangulation	Medial Rhombic Triacon...	Square Root
Delboeuf Illusion	Medial Triambic Icosah...	Square Root Algorithms
Delta Function	Medial Triangle	Square Wave
Deltoid	Median	Squeezing Theorem
Deltoidal Hexecontahedron	Menelaus' Theorem	Stable Marriage Problem
de Moivre-Laplace Theorem	Menger Sponge	Stamp Folding
de Moivre's Identity	Mercator Projection	Standard Basis
Dendrite	Mersenne Number	Standard Deviation
Denominator	Mersenne Prime	Standard Error
Depth-First Traversal	Mertens Conjecture	Standard Map
Derangement	Mertens Function	Standard Normal Distri...
Derivative	Metamathematics	Standard Tori
Derived Polygon	Metric	Star of David Theorem
Desargues Configuration	Mice Problem	Star Polygon
Descartes Circle Theorem	Midpoint	Starr Rose
Descartes' Sign Rule	Midpoint Polygon	State Diagram
Determinant	Midy's Theorem	Stationary Point
Developable Surface	Minimal Enclosing Circle	Statistical Correlation
Diameter	Minimal Surface	Statistical Median
Dice	Minimum	Statistical Test
Difference-Differentia...	Minimum Spanning Tree	Steiner Chain
Difference Quotient	Minkowski Space	Steiner Quadruple System
Difference Set	Minkowski's Question M...	Steiner's Porism
Differentiable	Minkowski Sum	Steiner Surface
Differential Calculus	Miquel Circles	Steiner System
Differential Equation	Miquel Five Circles Th...	Steiner Triple System
Digitaddition	Miquel's Pentagram The...	Steinmetz Solid
Digit Sum	Miquel's Theorem	Stella Octangula
Dihedral Angle	Mirror Image	Stellation
Dihedral Group	Miter Surface	Stem-and-Leaf Diagram
Dihedral Group D_4	Mixed Fraction	Step Function
Dijkstra's Algorithm	Mixed Partial Derivative	Stereogram
Dimension	Mixtilinear Incircles	Stereographic Projection
Ding-Dong Surface	Mobile Automaton	Stern-Brocot Tree
Diophantine Equation	Mod	Stewart's Theorem
Dipyramid	Mode	Stirling Number of the...
Dirac Matrices	Modified Bessel Functi...	Stirling Number of the...
Directed Graph	Modified Bessel Functi...	Stirling's Finite Diff...
Directional Derivative	Modular Arithmetic	Stochastic Matrix
Directly Proportional	Modular Group Gamma	Stochastic Optimization
Dirichlet Boundary Con...	Modular Group Lambda	Stochastic Process
Dirichlet Divisor Problem	Modular Inverse	Stochastic Resonance
Dirichlet Function	Modulation Theorem	Stolarsky Mean
Dirichlet L-Series	Modulus	Stomachion
Dirichlet's Box Principle	Möbius Function	Størmer Number
Dirichlet's Theorem	Möbius Ladder	Straight Angle
Discontinuity	Möbius Net	Strange Attractor
Discontinuous	Möbius Strip	Strang's Strange Figures
Discontinuous Function	Moiré Pattern	String
Discrete Distribution	Moment of Inertia	String Rewriting System
Discrete Fourier Trans...	Monodromy Theorem	Strong Law of Large Nu...
Disdyakis Triacontahedron	Monotonic Sequence	Student's t-Distribution
Disk	Monte Carlo Integration	Sturm-Liouville Equation
Disk Covering Problem	Monte Carlo Method	Subfactorial
Disk Point Picking	Monty Hall Problem	Subgroup
Dissection	Moore Neighborhood	Subset
Dissection Fallacy	Moore-Penrose Matrix I...	Substitution System
Dissection Puzzles	Morley's Theorem	Subtraction
Distance	Morse Theory	Sum
Distinct Prime Factors	Mortgage	Summation by Parts
Distribution Function	Moss's Egg	Sum of Prime Factors
Distributive	Motzkin Number	Sum of Squares Function
Divergence	Moving Average	Superellipse
Divergenceless Field	MRB Constant	Superellipsoid
Divergence Theorem	Mrs. Perkins's Quilt	Supremum
Divergent Series	Müller-Lyer Illusion	Surface Area
Divisibility Tests	Multichoose	Surface Integral
Divisible	Multigraph	Surface of Revolution
Division	Multinomial Distribution	Surface Parameterization
Division Algebra	Multiple	Surjection
Division by Zero	Multiple Integral	Survivorship Curve
Divisor	Multiple Regression	Swirl
Divisor Function	Multiplication	Symmedian Point
Dodecagon	Multiplication Table	Symmetric
Dodecagram	Multiplicative Function	Symmetric Group
Dodecahedron	Multiplicative Order	Symmetry
Domain	Multiset	Symmetry Operation
Dot Product	Multivariate Function	Synthetic Division
Double-Angle Formulas	Multivariate Normal Di...	Szilassi Polyhedron
Double Bubble	Multiway System	Tag System
Double Factorial	Munching Squares	Tait's Hamiltonian Gra...
Double Integral	Nagel Point	Tangent
Dragon Curve	Napier's Bones	Tangent Circles
Dual Number	Napier's Inequality	Tangent Developable
Dual Polyhedron	Napoleon's Theorem	Tangential Triangle
Duel	Nash Equilibrium	Tangent Line
Duffing Differential E...	Natural Independence P...	Tangent Plane
Dupin's Indicatrix	Natural Logarithm	Tangent Vector
Dyck's Surface	Natural Logarithm Cata...	Tangram
Dynamical System	Natural Number	Tau Function
e	Navier-Stokes Equations	Tautochrone Problem
Earth-Moon Problem	N-Cluster	Tautology
Eccentricity	Nearest Integer Function	Taxicab Metric
Eckardt Point	Nearest Neighbor Problem	Taylor Circle
Econometrics	Necker Cube	Taylor Series
Edge Coloring	Necklace	Taylor's Theorem
Edge Contraction	Negabinary	t-Design
Egg	Negative	Teichmüller Space
Egyptian Fraction	Negative Binomial Dist...	Temperature
Eigen Decomposition	Nelder-Mead Method	Tensor
Eigenfunction	Nephroid	Tent Map
Eigenvalue	Nested Radical	Ternary
Eigenvector	Net	Tessellation
Eight Surface	Network	Tesseract
Eikonal Equation	Neumann Boundary Condi...	Tetractys
Eisenstein Integer	Neusis Construction	Tetrad
Element	Neville Theta Functions	Tetrahedral Number
Elementary Cellular Au...	Newton-Cotes Formulas	Tetrahedron
Elementary Function	Newtonian Vector Field	Tetrahedron 2-Compound
Ellipse	Newton's Backward Diff...	Tetrahedron 3-Compound
Ellipse Catacaustic	Newton's Forward Diffe...	Tetrahedron 4-Compound
Ellipse Evolute	Newton's Method	Tetrahedron 5-Compound
Ellipse Negative Pedal...	Nicomachus's Theorem	Tetraview
Ellipsoid	Nil Geometry	Tetrix
Elliptic Curve	Nilpotent Group	Thales' Theorem
Elliptic Cylindrical C...	Nilpotent Matrix	Thom's Eggs
Elliptic Geometry	Nim	Three-Chord Lemma
Elliptic Hyperboloid	Nim-Value	Three Jug Problem
Elliptic Integral	Nine-Point Center	Three-Valued Logic
Elliptic Integral of t...	Nine-Point Circle	Thue-Morse Sequence
Elliptic Integral of t...	Noise	Tic-Tac-Toe
Elliptic Paraboloid	Noise Sphere	Tiling
Elliptic Point	Nomogram	Time Series Analysis
Empire Problem	Nonagon	Titchener Illusion
Enantiomer	Nonagonal Number	Tomography
Encoding	Nonassociative Algebra	Topological Sort
Enneacontahedron	Noncentral Chi-Squared...	Topology
Enneper's Minimal Surface	Non-Euclidean Geometry	Toroidal Field
Enneper-Weierstrass Pa...	Nonlinear Least Square...	Toroidal Polyhedron
Entropy	Nonorientable Surface	Torsion
Enumeration Problem	Nonparametric Estimation	Torus
Envelope	Nonsingular Matrix	Torus Coloring
Envelope Theorem	Nordstrand's Weird Sur...	Torus Knot
Epicycloid	Norm	Total Function
Epitrochoid	Normal Curvature	Totalistic Cellular Au...
Epsilon-Delta Definition	Normal Distribution	Total Probability Theorem
Equilateral Triangle	Normal Distribution Fu...	Total Variation
Equilateral Zonohedron	Normalized Vector	Totient Function
Equivalence Relation	Normal Line	Tournament
Equivalent	Normal Number	Tower of Hanoi
Erdős-Mordell Theorem	Normal Section	Tractrix
Erlang Distribution	Normal Vector	Transcendental Equation
Errera Graph	No-Three-in-a-Line-Pro...	Transcendental Function
Error-Correcting Code	Nowhere Differentiable...	Transcendental Number
Error Propagation	n-Tuple	Transfer Function
Escher's Solid	Null Hypothesis	Transfinite Induction
Estimator	Number Guessing	Transfinite Number
Euclidean Algorithm	Number Theoretic Chara...	Translation
Euclid's Theorems	Numeral	Transpose
Euler Angles	Numerator	Transposition
Euler Backward Method	Numerical Integration	Trapezohedron
Euler Curvature Formula	NURBS Curve	Trapezoid
Euler Formula	NURBS Surface	Trapezoidal Rule
Euler Forward Method	Nyquist Frequency	Traveling Salesman Pro...
Eulerian Number	Oblique Triangle	Trawler Problem
Euler-Lagrange Differe...	Obtuse Angle	Tree
Euler Line	Obtuse Triangle	Tree Searching
Euler-Mascheroni Constant	Octagon	Trefoil Knot
Euler Number	Octagonal Number	Triacontahedron
Euler Product	Octagram	Triakis Icosahedron
Euler's Distribution T...	Octahedron	Triangle
Euler Triangle Formula	Octahedron 5-Compound	Triangle Area
Euler Zigzag Number	Octonion	Triangle Center
Even Function	Odd Function	Triangle Centroid
Even Number	Odd Graph	Triangle Dissection
Even Permutation	Odd Number	Triangle Function
Event	Odd Number Theorem	Triangle Inequality
Eventually Periodic	Oloid	Triangle Interior
Evolute	One-to-One	Triangle Median
Exact Differential	Operations Research	Triangle Packing
Exact First-Order Ordi...	Operator	Triangle Tiling
Excenter	Optimization	Triangle Wave
Excentral Triangle	OR	Triangular Dipyramid
Exceptional Lie Algebra	Orbison's Illusion	Triangular Distribution
Excircles	Orchard-Planting Problem	Triangular Hebesphenor...
Expansion	Ordered Tree	Triangular Number
Expectation Value	Order of Magnitude	Triangular Orthobicupola
Exponent	Order Statistic	Triangular Prism
Exponential Decay	Ordinal Number	Triangular Pyramid
Exponential Distribution	Ordinary Differential...	Triangulation
Exponential Function	Ordinary Differential...	Tribonacci Number
Exponential Generating...	Origami	Tribox
Exponential Growth	Origin	Tridiagonal Matrix
Exponential Integral	Orthic Triangle	Trigonometric Addition...
Exponential Ramp	Orthobicupola	Trigonometric Functions
Exponent Laws	Orthocenter	Trigonometry
Exradius	Orthocentric System	Trigonometry Angles
Extended Complex Plane	Orthocentroidal Circle	Trigonometry Angles--P...
Extended Greatest Comm...	Orthogonal	Trihedron
Exterior Angle	Orthogonal Circles	Trinomial
Extouch Triangle	Orthogonal Functions	Trinomial Coefficient
Extreme Value Distribu...	Orthogonal Matrix	Trip-Let
Extreme Value Theorem	Orthogonal Projection	Triskaidekaphobia
Extremum	Orthonormal Functions	Tritangent
Eyeball Theorem	Oscillation	Trivalent Tree
Factor	Osculating Circle	Truchet Tiling
Factor Analysis	Osculating Plane	Truncated Dodecahedron
Factorial	Osculating Sphere	Truncated Icosahedron
Factorization	Outer Automorphism	Truncated Octahedron
Fagnano's Problem	Outer-Totalistic Cellu...	Truncated Tetrahedron
False Logarithmic Series	Out-Shuffle	Truncation
Fano Plane	Oval	Truth Table
Farey Sequence	Oversampling	Tschirnhausen Cubic Ca...
Farkas's Lemma	Ovoid	Tube
Fast Fourier Transform	Packing	Turing Machine
F-Distribution	Padé Approximant	Turmite
Fermat Points	p-adic Number	Tutte's Graph
Fermat's 4n+1 Theorem	Padovan Sequence	Twin Primes
Fermat's Last Theorem	Pairing Function	Twin Pythagorean Triple
Fermat's Little Theorem	Paley Graph	Two Trains Puzzle
Fermi-Dirac Distribution	Palindromic Number	Type I Error
Ferrers Diagram	Palindromic Prime	Type II Error
Feuerbach Point	Pandigital Number	Umbilic Point
Feuerbach's Theorem	Pantograph	Unbiased Estimator
Fibonacci Number	Pappus Chain	Unfolding
Field	Pappus's Hexagon Theorem	Uniform Circular Motion
Field Axioms	Parabola	Uniform Convergence
Figurate Number	Parabola Catacaustic	Uniform Distribution
Figure Eight	Parabolic Coordinates	Uniform Polyhedron
Filter	Parabolic Cylindrical...	Uniform Variate
Finite Difference	Parabolic Point	Unit
Finite Field	Paraboloid	Unit Circle
Finite Group	Parallel	Unit Square
Finsler-Hadwiger Theorem	Parallelepiped	Unit Vector
First Droz-Farny Circle	Parallel Line and Plane	UPC
First Fermat Point	Parallel Lines	Upper Sum
First Lemoine Circle	Parallelogram	Utility Graph
First Morley Triangle	Parallel Planes	Validity
First-Order Logic	Parametric Equations	van Aubel's Theorem
First-Order Ordinary D...	Pareto Distribution	van der Pol Equation
Five Disks Problem	Pareto Plot	van Lamoen Circle
Fixed Point	Parity	Variable
Flexible Polyhedron	Parrondo's Paradox	Variance
Floor Function	Partial Derangement	Varignon Parallelogram
Flow	Partial Derivative	Varignon's Theorem
Flower of Life	Partial Differential E...	Vector
Flow Line	Partial Fraction Decom...	Vector Addition
Focus	Partial Order	Vector Basis
Folding	Partial Sum	Vector Difference
Ford Circle	Partition	Vector Field
Forward Difference	Partition Function P	Vector Norm
Four-Color Theorem	Partition Function Q	Vector Potential
Four-Dimensional Geometry	Partition of Unity	Vector Space
Fourier Cosine Transform	Parzen Apodization Fun...	Vector Space Basis
Fourier Series	Pascal Lines	Vector Space Projection
Fourier Series--Sawtoo...	Pascal's Theorem	Vector Sum
Fourier Series--Triang...	Pascal's Triangle	Velocity
Fourier Sine Series	Path Integral	Venn Diagram
Fourier Sine Transform	Pauli Matrices	Vertex Angle
Fourier Transform	Peano Arithmetic	Vertex Degree
Fractal	Peano Curve	Vieta's Formulas
Fraction	Peano-Gosper Curve	Villarceau Circles
Fractional Calculus	Peano's Axioms	Viviani's Curve
Fractional Derivative	Peaucellier Inversor	Viviani's Theorem
Fractional Fourier Tra...	Pedal Curve	Volume
Fractional Part	Pedal Triangle	Volume Integral
Fraser's Spiral	Peg Solitaire	von Neumann Neighborhood
F-Ratio	Penrose Tiles	Voronoi Diagram
French Metro Metric	Penrose Triangle	Voter Model
Frenet Formulas	Pentaflake	Voting
Frequency Distribution	Pentagon	Wallace-Bolyai-Gerwien...
Frieze Group	Pentagonal Antiprism	Wallis Formula
Frieze Pattern	Pentagonal Dipyramid	Wallis Sieve
Frobenius Number	Pentagonal Hexecontahe...	Wallpaper Groups
Fuhrmann Circle	Pentagonal Icositetrah...	Walsh Function
Fuhrmann's Theorem	Pentagonal Number	Waterman Polyhedron
Full Angle	Pentagonal Pyramid	Watt's Curve
Full Reptend Prime	Pentagon Tiling	Wave Equation
Fully Supported Stella...	Pentagram	Wave Equation--1-Dimen...
Function	Percent	Wave Equation--Rectangle
Functional Differentia...	Percentile	Wavelet
Function Graph	Perfect Code	Wavelet Transform
Fundamental Domain	Perfect Magic Cube	Weak Law of Large Numbers
Fundamental Theorem of...	Perfect Number	Web Diagram
Fundamental Theorem of...	Perfect Square	Weibull Distribution
Fundamental Theorem of...	Perimeter	Weierstrass Function
Fundamental Theorems o...	Period	Weierstrass Intermedia...
Fuzzy Logic	Periodic Sequence	Weitzenböck's Inequality
Gabor Function	Period Three Theorem	Well Ordered Set
Gabriel's Horn	Perkel Graph	Weyl Group
Galois Group	Permutation	Whirl
Galton Board	Permutation Cycle	Whitney Umbrella
Gambler's Ruin	Permutation Group	Wiener Filter
Game of Hex	Permutation Pattern	Wiener Process
Game of Logic	Permutation Symbol	Wigner 3j-Symbol
Game Theory	Perpendicular	Wigner 6j-Symbol
Gamma Distribution	Perpendicular Bisector	WignerD
Gamma Function	Perron-Frobenius Theorem	Wigner's Semicircle Law
Gauss-Bonnet Formula	Perspective	Wilson's Theorem
Gaussian Brackets	Petersen Graph	WireWorld
Gaussian Curvature	Phase	Witch of Agnesi
Gaussian Elimination	Phase Portrait	Witt Design
Gaussian Function	Phase Space	Wittenbauer's Parallel...
Gaussian Integer	Phase Transition	Wolfram Sequences
Gaussian Prime	Phasor	Word
Gaussian Quadrature	Phi Number System	Wythoff Construction
Gauss Map	Phyllotaxis	Xiangqi
Gauss's Backward Formula	Pi	x-Intercept
Gauss's Circle Problem	Pi Approximations	XOR
Gauss's Forward Formula	Pick's Theorem	Yff Circles
Generalized Cylinder	Piecewise Function	y-Intercept
Generalized Fibonacci...	Pie Chart	Yin-Yang
Generalized Law of Sines	Pi Formulas	Young Tableau
Generalized Mobile Aut...	Pisano Period	Zarankiewicz's Conjecture
General Linear Group	Pivot Theorem	Zeckendorf Representation
Generating Function	Planar Drawing	Zeckendorf's Theorem
Genus	Planar Graph	Zeno's Paradoxes
Geodesic	Planar Point	Zernike Polynomial
Geodesic Curvature	Planar Straight Line D...	Zipf's Law
Geodesic Dome	Plane	Zöllner's Illusion
Geometric Centroid	Plane Curve	Zome
Geometric Congruence	Plane-Filling Function	Zonohedron
Geometric Construction	Plane-Plane Intersection	Z-Transform
Geometric Distribution	Planted Tree	Wolfram
Geometric Mean	Plateau's Laws