P-adic analysis --
P-adic number --
P-adic numbers --
P-group --
P-symmetry --
P-vector --
Painter's algorithm --
Palatini action --
Palindrome --
Palindromic number --
Parabola --
Paraboloid --
Paracompact --
Paraconsistent logics --
Parallax --
Parallel postulate --
Parallel transport --
Parallelepiped --
Parallelogram --
Parallelogram law --
Parameter --
Parametrization --
Pareto distribution --
Pareto interpolation --
Parity --
Parity bit --
Parseval's identity
Pathological (mathematics) --
Partial derivative --
Partial differential equation --
Partial fraction --
Partial fraction decomposition over R --
Partial fractions in integration --
Partial function --
Partial order --
Partially ordered set --
Particle in a box --
Partition function (number theory) --
Partition (mathematics) --
Partition of a set --
Partition of unity --
Partizan game --
Party-list proportional representation --
Pascal, Blaise --
Pascal programming language --
Password length equation --
Pasta, John --
Path --
Path integral --
Path-connected topological space --
Payoff matrix --
P-complete --
Peano axioms --
Peano curve --
Peano, Giuseppe --
Pearson product-moment correlation coefficient --
Pedal triangle --
Pell's equation --
Penrose, Roger --
Penrose stairs --
Penrose tiling --
Penrose triangle --
Pentagonal number theorem --
Pentomino --
Percentage --
Perfect crystal --
Perfect matching --
Perfect number --
Perfect square --
Perimeter --
Period --
Perelman, Grigori --
Permanent --
Permutation --
Permutation group --
Permutation matrix --
Perrin pseudoprime --
Perron Integral --
Perspective --
Perspective distortion --
Perturbation theory --
Pervouchine --
Pervushin --
Pervushin, Ivan Mikheevich --
Petersen graph --
Petersen, Julius --
Peter-Weyl theorem --
Phase diagram --
Phase velocity --
Phase (waves) --
Phasor --
Phenomenology --
Philolaus --
Philosophy of mathematics --
Photon --
Physical constants --
Physical geodesy --
Physics --
Pi --
Pi Approximation Day --
Pi Day --
Picard --
Picard, Charles Emile --
Pick's theorem Talk:Pick's theorem -
PID controller --
Pigeonhole principle --
Pincherle derivative --
Pisanski, Tomas --
Pitman-Koopman-Darmois theorem --
Planar graph --
Planck, Max --
Plane --
Plane geometry --
Plane wave --
PlanetMath --
Planning statistical research --
Plano-convex --
Plateau's problem --
Platonic solid --
Playfair cipher --
Plemelj, Josip --
Plotting --
Plücker, Julius --
Pluperfect number --
Pochhammer symbol --
Poincaré conjecture --
Poincaré, Henri --
Poincaré group --
Point estimation --
Pointless topology --
Pointwise convergence --
Poisson --
Poisson bracket --
Poisson distribution --
Poisson equation --
Poisson process --
Poisson, Siméon-Denis --
Poisson's equation --
Poisson summation formula --
Polar coordinates --
Polar distance --
Pole --
Pole (complex analysis) --
Polya, George --
Polyamonds --
Polychoron --
Polydivisible number --
Polygamma function --
Polygon --
Polygonal number --
Polyhedral compound --
Polyhedral dice --
Polyhedron --
Polynomial --
Polynomial interpolation --
Polynomial long division --
Polynomial sequence --
Polynomial time --
Polynomial-time many-one reduction --
Polynomial-time Turing reduction --
Polyomino --
Polysquare puzzle --
Polytope --
Poncelet, Jean-Victor --
Poncelet-Steiner theorem --
Pontrjagin class --
Pontryagin duality --
Population process --
Positive --
Positive definite --
Post correspondence problem --
Post machine --
Post-order traversal --
Post system --
Power --
Power associativity --
Power center --
Power law --
Power (mathematics) --
Power series --
Power set --
Power-associative --
Powerful number --
Powers, R. E --
Pre-Abelian category --
Preadditive category --
Precession --
Predicate calculus --
Predicate logic --
Prenex normal form --
Pre-order traversal --
Presburger arithmetic --
Presentation of a group --
Prevalence --
Primality test --
Prime factor --
Prime factorization algorithm --
Prime ideal --
Prime knot --
Prime number --
Prime number theorem --
Prime-factor FFT algorithm --
Prime reciprocal magic square --
Primeval number --
Primitive equations --
Primitive pseudoperfect number --
Primitive recursive function --
Primitive root modulo n --
Primitive semiperfect number --
Primorials --
Prim's algorithm --
Principal components analysis --
Principal homogeneous space --
Principal ideal --
Principal ideal domain --
Principle of Maximum Entropy --
Prism --
Prism (geometry) --
Prismatoid --
Prisoner's dilemma --
Private key --
Probabilist --
Probabilistic algorithm --
Probabilistic method --
Probabilistic Turing Machine --
Probability --
Probability and statistics --
Probability axioms --
Probability density function --
Probability distribution --
Probability interpretations --
Probability space --
Probability theory --
Probability-generating function --
Probable prime --
Problem size --
Product (category theory) --
Product (mathematics) --
Product of groups --
Product of rings --
Product rule --
Product topology --
Pro-finite group --
Prognostic variable --
Programming --
Programming language --
Projective geometry --
Projective module --
Projective plane --
Projective representation --
Projective space --
Prony equation --
Proof by exhaustion --
Proof of Bertrand's postulate --
Proof theory --
Proofs of Fermat's little theorem --
Propagation constant --
Properly discontinuous --
Proportional --
Propositional logic --
Prototile --
Pseudoprime --
Pseudo-random number --
Pseudorandom number generator --
Pseudorandom number sequence --
Pseudorandomness --
Pseudosphere --
PSL(2,7) --
PSPACE --
PSPACE-complete --
Psychological statistics --
PTIME --
Public key algorithm --
Public key cryptography --
Puiseux, Alexandre --
Pumping lemma --
Punctured neighborhood --
Purple code --
Pushdown automaton --
Putnam Competition --
Putzer, E.J --
Pyramid --
Pythagoras --
Pythagorean theorem --
Pythagorean triple --
Pythagorean tuning --
Pythagoreans --
Q.E.D --
Quadratic equation --
Quadratic form --
Quadratic formula --
Quadratic function --
Quadratic programming --
Quadratic reciprocity --
Quadratic residue --
Quadrature --
Quadric --
Quadrilateral --
Quantile --
Quantization --
Quantum state --
Quantum superposition --
Quartic equation --
Quartic function --
Quartile --
Quasi-empiricism in mathematics --
Quasicrystal --
Quasigroup --
Quasiperfect number --
Quater-imaginary base --
Quaternion --
Quaternion group --
Quaternions and spatial rotation --
Quefrency --
Quetelet Adolphe --
Queueing theory --
Quicksort --
Quillen --
Quillen, Daniel --
Quincunx --
Quine-McCluskey algorithm --
Quintic equation --
Quintic function --
Quiver (mathematics) --
Quotient field --
Quotient rule --
Quotient space --
RHS --
Rabin, Michael O --
Rader's FFT algorithm --
Radian --
Radical (mathematics) --
Radical of an ideal --
Radiometric dating --
Radius --
Radius of convergence --
Radix --
Radon, Johann --
Radon-Nikodym derivative --
Raising factorial --
Ramanujan --
Ramanujan, Srinivasa Aaiyangar --
Ramanujan-Petersson conjecture --
Ramanujan-Soldner constant --
Ramification --
Ramsey, Frank P --
Ramsey theorem --
Ramsey theory --
Random variable --
Random walk --
Random walk Monte Carlo --
Randomness --
Range encoder --
Rank-nullity theorem --
Rank of an abelian group --
Rank of a matrix --
Rank-into-rank --
Rankine-Hugoniot equation --
Rao-Blackwell theorem --
Rate distortion theory --
Ratio --
Ratio test --
Rational function --
Rational number --
Rational root theorem --
Raven paradox --
Ray transfer matrix analysis --
Rayleigh quotient --
RC4 --
RC6 encryption algorithm --
Real analysis --
Real closed field --
Real computation --
Real data type --
Real line --
Real number --
Receiver operating characteristic --
Reconstruction conjecture --
Recreational mathematics --
Rectangle --
Rectifiable curve --
Recurrence --
Recurrence relation --
Recursion --
Recursive set --
Recursive function --
Recursive language --
Recursively enumerable set --
Recursively enumerable language --
Red-black tree --
Reductio ad absurdum --
Reed, Irving --
Reed-Solomon code --
Reflection --
Reflection (mathematics) --
Reflexive property of equality --
Reflexive relation --
Reflexive space --
Regiomontanus --
Regression toward the mean --
Regular cardinal --
Regular expression --
Regular expressions --
Regular grammar --
Regular graph --
Regular language --
Regular representation --
Regular space --
Rejewski, Marian --
Relational algebra --
Relational model --
Relative compactness --
Relative frequency --
Relative complement --
Relatively prime --
Relaxation technique --
Relevant logic --
Removable singularity --
Rendezvous problem --
Renormalization group --
Repdigit --
Representation theory --
Representation of Lie algebras --
Representations of Lie groups/algebras --
Repunit --
Residue (complex analysis) --
Residue theorem --
Resonance --
Restricted product --
Rhind Papyrus --
Rhombicuboctahedron --
Rhombus --
Rhumb line --
Ribet --
Ribet, Ken A --
Riccati equations --
Ricci curvature --
Ricci flow --
Riccati, Jacopo Francesco --
Riccati, Vincenzo --
Rice's theorem --
Riemann --
Riemann, Bernhard --
Riemann hypothesis --
Riemann integration --
Riemann mapping theorem --
Riemann sphere --
Riemann-Stieltjes integral --
Riemann surface --
Riemann zeta function --
Riemannian geometry --
Riemannian manifold --
Riemann-Roch theorem --
Riese, Adam --
Riesel number --
Riesz representation theorem --
Rig (algebra) --
Rigged Hilbert space --
Right circular cone --
Right quotient --
Ring homomorphism --
Ring ideal --
Ring (mathematics) --
Ring theory --
RIPEMD-160 --
Risch algorithm --
Roberval, Gilles Personne de --
Robertson-Seymour theorem --
Robot control --
Rolle, Michel --
Rollin Papyrus --
Roman numerals --
Roman surface --
Root finding algorithm --
Root (mathematics) --
Root mean square --
Root of unity --
Root system --
Rotation --
Rotation group --
Roth, Klaus --
Route inspection problem --
Row space --
RP --
RSA --
RSA number --
RSA-100 --
RSA-110 --
RSA-120 --
RSA-129 --
RSA-130 --
RSA-140 --
RSA-150 --
RSA-155 --
RSA-160 --
RSA-170 --
RSA-180 --
RSA-190 --
RSA-200 --
RSA-210 --
RSA-220 --
RSA-230 --
RSA-232 --
RSA-240 --
RSA-250 --
RSA-260 --
RSA-270 --
RSA-280 --
RSA-290 --
RSA-300 --
RSA-309 --
RSA-310 --
RSA-320 --
RSA-330 --
RSA-340 --
RSA-350 --
RSA-360 --
RSA-370 --
RSA-380 --
RSA-390 --
RSA-400 --
RSA-410 --
RSA-420 --
RSA-430 --
RSA-440 --
RSA-450 --
RSA-460 --
RSA-470 --
RSA-480 --
RSA-490 --
RSA-500 --
RSA-576 --
RSA-617 --
RSA-640 --
RSA-704 --
RSA-768 --
RSA-896 --
RSA-1024 --
RSA-1536 --
RSA-2048 --
Rubik's cube --
Ruler-and-compass constructions --
Runge, Carle David Tolme --
Runge-Kutta methods --
Runge's phenomenon --
Run-length encoding --
Russell, Bertrand --
Russell's paradox --P
Q
R