C
Caesar cipher --
Calabi-Yau spaces --
Calculus --
Calculus of variations --
Calculus with polynomials --
Camber angle --
Campbell-Hausdorff formula --
Canonical correlation --
Cantor, Georg --
Cantor dust --
Cantor function --
Cantor set --
Cantor's theorem --
Cantor-Bernstein-Schroeder theorem --
Cantor's diagonal argument --
Cantor's first uncountability proof --
Cantor space --
Cardano, Gerolamo --
Cardinal assignment --
Cardinal number --
Cardinality --
Carlson symmetric form --
Carmichael number --
Carmichael, Robert Daniel --
Cartan, Henri --
Cartan, Élie --
Cartan formalism --
Cartesian closed category --
Cartesian coordinate system --
Cartesian product --
Cartier, Pierre --
Catalan number --
Catalan's conjecture --
Catalan's constant --
Cataldi --
Cataldi, Pietro Antonio --
Catastrophic loss of significance --
Category theory --
Catenary --
Catenoid --
Cauchy --
Cauchy, Augustin Louis --
Cauchy-Binet formula --
Cauchy distribution --
Cauchy integral theorem --
Cauchy principal value --
Cauchy sequence --
Cauchy's integral formula --
Cauchy-Riemann equations --
Cauchy-Schwarz inequality --
Cavalieri, Bonaventura --
Cavalieri's principle --
Cayley, Arthur --
Cayley-Dickson construction --
Cayley graph --
Cayley-Hamilton theorem --
Cayley's Theorem --
Cech, Eduard --
Ceiling function --
Celestial coordinate system --
Celestial mechanics --
Celestial navigation --
Cell (mathematics) --
Cellular automata --
Cellular automaton --
Cent (music) --
Center (algebra) --
Center of a group --
Center of mass --
Central limit theorem --
Central extension --
Centralizer and normalizer --
Centillion --
Centroid --
Cepstrum --
Cesaro, Ernesto --
Ceulen, Ludolph van --
Ceva, Giovanni --
Ceva's Theorem --
Chain complex --
Chain rule --
Chain (mathematics) --
Chaitin, Gregory --
Chaitin's constant --
Chaos theory --
Character --
Character (mathematics) --
Character entity --
Characteristic --
Characteristic class --
Characteristic equation --
Characteristic function --
Characteristic polynomial --
Characteristic subgroup --
Charts on SO(3) --
Chebyshev --
Chebyshev, Pafnuty Lvovich --
Chebyshev polynomials --
Chebyshev's inequality --
Checksum --
Chern,Shiing-shen --
Chern class --
Chern-Simons --
Child node --
Chinese numerals --
Chinese remainder theorem --
Chi-square distribution --
Chirality --
Cholesky decomposition --
Chomsky hierarchy --
Chomsky, Noam --
Chord (geometry) --
Chowla, Sarvadaman --
CHSH inequality --
Chowla-Selberg formula --
Chung, Fan --
Ch'ung-Chih, Tsu --
Church, Alonzo --
Church integer --
Church-Rosser theorem --
Church-Turing thesis --
Cipher --
Circle --
Circle of confusion --
Circular error probable --
Circumcenter --
Circumcircle --
Circumference --
Class field theory --
Class number conjecture --
Class (set theory) --
Classical mechanics --
Classical treatment of tensors --
Classification of finite simple groups --
Chevalley, Claude --
Clausen function --
Clay Mathematics Institute --
Clifford algebra --
Clifford, William --
Clique problem --
Clock arithmetic --
Clopen set --
Closed and exact differential forms --
Closed form --
Closed graph theorem --
Closed set --
Closure (mathematics) --
Closure (topology) --
Cnidus, Eudoxus of --
Coalgebra --
Coates, John --
Cobordism --
Code --
Coding theory --
Coefficient --
Cofactor (mathematics) --
Cofinality --
Cofinite topology --
Cognitive science of mathematics --
Cohen, Paul --
Coherence (philosophical gambling strategy) --
Cohomology --
Cohomology group --
Cokernel --
Collatz conjecture --
Collision detection --
Colombeau algebra --
Column space --
Combinations --
Combinator --
Combinatorial enumeration --
Combinatorial geometry --
Combinatorial game theory --
Combinatorial game theory (history) --
Combinatorial logic --
Combinatorial species --
Combinatorial optimization --
Combinatorial topology --
Combinatorics --
Combinatory logic --
Comma-free code --
Common logarithm --
Commutative --
Commutative algebra --
Commutative diagram --
Commutative ring --
Commutativity --
Commutator --
Compact --
Compact space --
Compactification --
Compactness theorem --
Compiler --
Complement --
Complete Fermi-Dirac integral --
Complete graph --
Complete lattice --
Complete measure --
Complete metric space --
Completely Hausdorff space --
Completeness --
Completeness (statistics) --
Completing the square --
Complex analysis --
Complete Cunningham chain --
Complex conjugate --
Complex dynamics --
Complex geometry --
Complex number --
Complex plane --
Complexity --
Complexity classes P and NP --
Component-free treatment of tensors --
Composite function --
Composition of functions --
Composition series --
Computability --
Computability theory --
Computable number --
Computation --
Computational archaeology --
Computational chemistry --
Computational complexity theory --
Computational geometry --
Computer --
Computer algebra --
Computer numbering formats --
Computer program --
Computer programming --
Computer science --
Computus --
Concavity --
Concentric --
Concept lattice --
Concrete category --
Condition number --
Conditional probability --
Condorcet, Marquis de --
Cone --
Conformal map --
Conformal geometry --
Conformality --
Congruence (geometry) --
Congruence relation --
Congruence subgroup --
Conic section --
Conjecture --
Conjugacy class --
Conjugate closure --
Conjugate transpose --
Conjunctive normal form --
Connected --
Connected space --
Connection (mathematics) --
Connes, Alain --
Co-NP --
Co-NP-complete --
Conservative force --
Consistency --
Constant --
Constant factor rule in differentiation --
Constant factor rule in integration --
Constant random variable --
Constructible --
Constructible number --
Construction of real numbers --
Constructive proof --
Constructive Solid Geometry --
Constructivist analysis --
Contact (mathematics) --
Contact triangle --
Containment hierarchy --
Context-free grammar --
Context-sensitive grammar --
Context-sensitive language --
Continued fraction --
Continuity --
Continuous --
Continuity (topology) --
Continuous Fourier transform --
Continuous modelling --
Continuous optimization --
Continuous topology --
Continuum (mathematics) --
Continuum hypothesis --
Contractible --
Contraction mapping --
Contraction (mathematics) --
Contravariant --
Control flow graph --
Convergence --
Convergence of random variables --
Convex --
Convolution --
Convolution theorem --
Convolutional code --
Conway, John --
Conway group --
Conway's Game of Life --
Conway chained arrow --
Cook, Matthew --
Cooley, James --
Coordinate rotation --
Coordinate system --
Copenhagen interpretation --
Coprime --
Coproduct --
Coriolis effect --
Correlation --
Correlation function (astronomy) --
Correspondence --
Correspondence principle --
Coset --
Cosine --
Costate equations --
Cotangent bundle --
Cotangent space --
Cotes, Roger --
Countable --
Countable sets --
Counter --
Counterexample --
Counting
Counting measure --
Counting rods --
Cousin prime --
Covariance --
Covariance matrix --
Covariant --
Coverage data --
Covering map --
Coxeter, H.S.M --
Coxeter group --
Cox's theorem --
Craig, John --
Cramér, Harold --
Cramér's conjecture --
Cramer, Gabriel --
Cross-cap --
Cross product --
Cross-ratio --
Crossing number --
Crout decomposition --
Cryptanalysis --
Cryptoanalysis --
Cryptographers --
Cryptographic key --
Cryptography --
Cryptology --
Crystal structure --
C-star-algebra --
Cube root --
Cubic equation --
Cubic function --
Cuboctahedron --
Cuboid --
Cullen number --
Cullen prime --
Cumulant --
Cumulative distribution function --
Cunningham chain --
Cunningham chain of the first kind --
Cunningham chain of the second kind --
Cupola -
Curry, Haskell --
Currying --
Curvature --
Curvature tensor --
Curve --
Curve (physics) --
CW complex --
Cycle space --
Cyclic group --
Cyclic polygon --
Cyclic quadrilateral --
Cyclic redundancy check --
Cycloid --
Cyclotomic field --
Cyclotomic identity --
Cyclotomic polynomial --
CYK algorithm --
Cylinder --
Cylindrical coordinate system --