| q-analog | 9ZPQX70JB1 | unknown | open | Wikidata Q3491352, MathWorld q-Analog |
| q-Beta function | 56TGYMAXTM | unknown | open | Wikidata Q24837857, MathWorld q-BetaFunction |
| q-derivative | 1XCD31NZ8V | unknown | open | Wikidata Q7265300, MathWorld q-Derivative |
| q-exponential | 8H7K1VC2J2 | unknown | open | Wikidata Q1062655, MathWorld q-ExponentialFunction |
| q-gamma function | J8DAQANR0K | unknown | open | Wikidata Q7265303, MathWorld q-GammaFunction |
| q-Pochhammer symbol | 8MKPCWJDEX | unknown | open | Wikidata Q518706, MathWorld q-PochhammerSymbol |
| q-polygamma function | 7CSQAV08NT | unknown | open | Wikidata Q20920730, MathWorld q-PolygammaFunction |
| Q.E.D. | KJGB0DXBCG | unknown | open | Wikidata Q188722, MathWorld QED |
| Q/q | N0MG25VWE4 | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q9950, ProofWiki Symbols:Q |
| QA8W9FCNP0 | QA8W9FCNP0 | object | open | Wikidata Q134966743, OEIS A073442 |
| Qin Jiushao | 2HM8M1299H | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q565225, ProofWiki Mathematician:Qin_Jiushao |
| QK2KAH7BK2 | QK2KAH7BK2 | statement | open | Wikidata Q36977, MathWorld 12, ProofWiki 12 |
| QR decomposition | TG2WJ41345 | concept | open | Wikidata Q653242, MathWorld QRDecomposition |
| quadrant | WWGJMMS93S | unknown | open | Wikidata Q3926560, EoM Quadrant, MathWorld Quadrant |
| quadratic algebra | W7T5053RCB | topic | open | Wikidata Q7268354, nLab quadratic algebra |
| quadratic class number constant | FZDJN0AQ8H | object | open | Wikidata Q55733467, MathWorld QuadraticClassNumberConstant |
| quadratic curve | 16AKBXPFD8 | unknown | open | Wikidata Q4240640, MathWorld QuadraticCurve |
| quadratic differential | 1SH73A4AFV | unknown | open | Wikidata Q7268358, nLab quadratic differential |
| quadratic equation | F59Q8MY439 | definition | open | Wikidata Q41299, MathWorld QuadraticEquation, ProofWiki Definition:Quadratic_Equation |
| quadratic field | EMHDWPY258 | unknown | open | Wikidata Q625519, EoM quadratic_field, MathWorld QuadraticField |
| quadratic form | 894MQQBFSD | topic | open | Wikidata Q736753, EoM Quadratic_form, MathWorld QuadraticForm, nLab quadratic form, ProofWiki Definition:Quadratic_Form |
| quadratic formula | 8QM4J19G6R | unknown | open | Wikidata Q15909572, MathWorld QuadraticFormula, nLab quadratic formula |
| quadratic function | E74XDC7KKA | unknown | open | Wikidata Q50695, MathWorld Quadratic |
| quadratic irrational | 8E8MDTJJFN | unknown | open | Wikidata Q2006396, EoM Quadratic_irrationality, MathWorld QuadraticSurd |
| quadratic Lie algebra | DFA013VXNZ | unknown | open | Wikidata Q7268353, nLab metric Lie algebra |
| Quadratic Nonresidue | 32C1BGXP16 | concept | open | Wikidata Q105332757, MathWorld QuadraticNonresidue |
| quadratic polynomial | VJQMDCDXDX | unknown | open | Wikidata Q50697, MathWorld QuadraticPolynomial |
| quadratic programming | G0V8CNASKZ | unknown | open | Wikidata Q290117, EoM Quadratic_programming |
| quadratic reciprocity | SYDAA2EBP1 | statement | open | Wikidata Q472883, EoM Quadratic_reciprocity_law, MathWorld QuadraticReciprocityTheorem, nLab quadratic reciprocity law |
| quadratic residue | 440770N1BX | concept | open | Wikidata Q878259, MathWorld QuadraticResidue |
| Quadratic sieve | MK17E0GH9V | unknown | open | Wikidata Q1151850, MathWorld QuadraticSieve |
| quadratrix of Hippias | 35T3MXJ8PX | concept | open | Wikidata Q2121861, MathWorld QuadratrixofHippias |
| Quadrature of the Parabola | 3KRTPYJH0V | unknown | out_of_scope (a book, not an item of mathematics) | Wikidata Q3111341, ProofWiki Book:Archimedes/On_the_Quadrature_of_the_Parabola |
| quadrature rule | JXYGJBWEYX | definition | open | Wikidata Q130299145, EoM Quadrature_formula, ProofWiki Definition:Numerical_Integration_Rule |
| quadric | 4RT4HX1K2E | unknown | open | Wikidata Q852117, MathWorld Quadric, nLab quadric |
| quadric surface | Y5N2W339WD | unknown | open | Wikidata Q21651861, MathWorld QuadraticSurface |
| quadrifolium | D8AWXFFPBT | unknown | open | Wikidata Q2358628, MathWorld Quadrifolium |
| quadrilateral | P7XDGPXTB2 | definition | open | Wikidata Q36810, EoM Quadrilateral, MathWorld Quadrilateral, ProofWiki Definition:Quadrilateral |
| quadrillion | D9YAGEAK5P | unknown | open | Wikidata Q25579173, MathWorld Quadrillion |
| quadrivium | PW63HE8K84 | unknown | open | Wikidata Q273822, MathWorld Quadrivium |
| quadtree | B850HPHQ13 | unknown | open | Wikidata Q934791, MathWorld Quadtree |
| quantale | 13XD82C66Q | unknown | open | Wikidata Q7268888, EoM Quantale, nLab quantale |
| quantaloid | G7R6VD95J1 | unknown | open | Wikidata Q7268889, nLab quantaloid |
| quantifier | 6EGFT4AEFX | unknown | open | Wikidata Q592911, EoM Quantifier, MathWorld Quantifier |
| quantifier elimination | SAWAJN6NG4 | concept | open | Wikidata Q1849020, MathWorld QuantifierElimination |
| quantile | QMZKRQPE8R | unknown | open | Wikidata Q578714, MathWorld Quantile |
| quantile function | 1N2T0RBJEF | unknown | open | Wikidata Q3489473, MathWorld QuantileFunction |
| quantization | 8YH4BSKCM0 | unknown | open | Wikidata Q636027, nLab quantization |
| quantum affine algebra | X9YYM3665S | unknown | open | Wikidata Q7269007, nLab quantum affine algebra |
| quantum Bayesianism | ZX23EB60WH | unknown | open | Wikidata Q7268978, nLab Bayesian interpretation of quantum mechanics |
| quantum biology | SHWCZ575SD | unknown | open | Wikidata Q1429339, nLab quantum biology |
| quantum chaos | Q92T9HV709 | topic | open | Wikidata Q1502341, MathWorld DevilsStaircase, MathWorld QuantumChaos |
| quantum chemistry | 91M5QS202F | unknown | open | Wikidata Q188403, nLab quantum chemistry |
| quantum chromodynamics | G738V1022C | unknown | open | Wikidata Q238170, nLab QCD |
| quantum computing | 2P5R7EC57X | unknown | open | Wikidata Q17995793, nLab quantum computation |
| quantum decoherence | ASYDBYCR6S | unknown | open | Wikidata Q578430, nLab quantum decoherence |
| quantum dilogarithm | JPR1688BKX | unknown | open | Wikidata Q7269036, nLab quantum dilogarithm |
| quantum dot | HZQKJSQM1S | topic | open | Wikidata Q1133068 |
| quantum effect | RCPQ69MJTT | definition | open | Wikidata Q1872885, ProofWiki Definition:Quantum_Phenomenon |
| quantum electrodynamics | X4N887TFEQ | topic | open | Wikidata Q234881, nLab quantum electrodynamics |
| quantum entanglement | PEJRPYEA4F | unknown | open | Wikidata Q215675, nLab entanglement |
| quantum error correction | FS4CFB0S4B | unknown | open | Wikidata Q1536431, nLab quantum error correction |
| quantum field theory | FMJ0CQQJYW | topic | open | Wikidata Q54505, nLab quantum field theory |
| quantum field theory in curved spacetime | AHDYPP66AT | unknown | open | Wikidata Q2246697, nLab AQFT on curved spacetimes |
| quantum fluctuation | GHYCJYZQWK | unknown | open | Wikidata Q1193821, nLab quantum fluctuation |
| quantum gravity | DVS3C5GJ8N | unknown | open | Wikidata Q234181, nLab quantum gravity |
| quantum group | 84WAYRJXP5 | unknown | open | Wikidata Q2122223, EoM Quantum_groups, nLab quantum group |
| quantum hadrodynamics | 2YX917X549 | unknown | open | Wikidata Q28453807, nLab quantum hadrodynamics |
| quantum Hall effect | AA55W3XW6M | unknown | open | Wikidata Q1047822, nLab quantum Hall effect |
| quantum harmonic oscillator | 22MTJ1JCGZ | unknown | open | Wikidata Q677864, nLab quantum harmonic oscillator |
| quantum information | P0SVYZ09X5 | unknown | open | Wikidata Q2122243, nLab quantum information |
| quantum logic | GXDA32RC5F | topic | open | Wikidata Q1206311, nLab quantum logic |
| quantum master equation | PF83K0XP6D | unknown | open | Wikidata Q18389871, nLab quantum master equation |
| quantum mechanics | 8NJW7WPADZ | topic | open | Wikidata Q944, nLab quantum mechanics, ProofWiki Definition:Quantum_Mechanics |
| quantum operation | B68SX5FB0J | unknown | open | Wikidata Q7269080, nLab quantum operation |
| quantum optics | TMVDK0K0G4 | topic | open | Wikidata Q735602, nLab quantum optics |
| quantum state | 3HPJ9W57H8 | unknown | open | Wikidata Q230883, nLab quantum state |
| quantum statistical mechanics | FR3SWVM9H2 | unknown | open | Wikidata Q845260, nLab quantum statistical mechanics |
| quantum superposition | TED00822ZP | unknown | open | Wikidata Q830791, nLab quantum superposition |
| quantum tunneling | 1B084V36D2 | unknown | open | Wikidata Q175751, nLab quantum tunneling |
| quark | 1KN6H699ET | definition | open | Wikidata Q6718, nLab quark, ProofWiki Definition:Quark |
| quarkonium | VY3SMQZF4P | unknown | open | Wikidata Q1540413, nLab quarkonium |
| quarter | 902AFMQWPP | definition | open | Wikidata Q1643308, ProofWiki Definition:Time/Unit/Quarter-Year |
| quartic equation | TDDMFMCWH7 | definition | open | Wikidata Q476776, MathWorld QuarticEquation, ProofWiki Definition:Quartic_Equation |
| quartic graph | BXNKMJZA8V | unknown | open | Wikidata Q7269362, MathWorld QuarticGraph |
| quartic plane curve | A0XEQDRGRN | unknown | open | Wikidata Q1857574, MathWorld QuarticCurve |
| quartic reciprocity | S5PZ12W3YZ | statement | open | Wikidata Q4495708, MathWorld BiquadraticReciprocityTheorem |
| quartic surface | W2B8C6QT7J | unknown | open | Wikidata Q7269363, MathWorld QuarticSurface |
| quartile | Q0NNKPPZAM | unknown | open | Wikidata Q2786686, MathWorld Quartile |
| quartile deviation | AMWEW4ED8V | unknown | open | Wikidata Q12032033, MathWorld QuartileDeviation |
| quasi-abelian category | 2XZJA203S2 | unknown | open | Wikidata Q30715306, nLab quasi-abelian category |
| quasi-category | G238RA3FW6 | unknown | open | Wikidata Q7269442, nLab quasi-category |
| quasi-compact morphism | 7Y4C16CZNP | definition | open | Wikidata Q7269441, ProofWiki Definition:Quasi-Compact_Morphism_of_Schemes |
| Quasi-Concave Function | JYTY27YNST | unknown | open | Wikidata Q97621527, MathWorld Quasi-ConcaveFunction |
| quasi-Hopf algebra | XG8F7BBYWG | concept | open | Wikidata Q2835962, nLab quasi-Hopf algebra |
| quasi-isomorphism | 1VQZS6RMS4 | unknown | open | Wikidata Q3413378, nLab quasi-isomorphism |
| quasi-separated morphism | A0M93AJMM8 | definition | open | Wikidata Q122946284, nLab quasi-separated morphism, ProofWiki Definition:Quasi-Separated_Morphism_of_Schemes |
| quasicoherent sheaf | XJJG88PVD4 | definition | open | Wikidata Q61040808, EoM Quasi-coherent_sheaf, nLab quasicoherent sheaf, ProofWiki Definition:Quasi-Coherent_Sheaf_of_Modules |
| Quasiconformal mapping | PWPN9W492J | topic | open | Wikidata Q380576 |
| quasiconvex function | 3AAD3V9K25 | unknown | open | Wikidata Q1126412, MathWorld Quasi-ConvexFunction |
| quasideterminant | ZMJZXR1M8G | unknown | open | Wikidata Q7269494, nLab quasideterminant |
| quasifield | C3A5DRAVPY | unknown | open | Wikidata Q1553741, nLab quasifield |
| quasigroup | FNKRPAWYSD | unknown | open | Wikidata Q1503423, MathWorld Quasigroup, nLab quasigroup |
| quasilinearization | 4Q1BMMPS3B | concept | open | Wikidata Q130969419, EoM Quasi-linearization |
| quasinorm | JGD0Q0TVSZ | unknown | open | Wikidata Q7269508, EoM Quasi-norm |
| quasinormal mode | 78H1PDR7P7 | unknown | open | Wikidata Q48937708, nLab quasinormal mode |
| quasinormed space | R70XFR6P75 | unknown | open | Wikidata Q91672132, EoM Quasi-normed_space |
| quasiperfect number | QKS1R1CZ4S | unknown | open | Wikidata Q3343131, MathWorld QuasiperfectNumber |
| quasiperiodic motion | MVTC4K56M7 | unknown | open | Wikidata Q3866307, MathWorld QuasiperiodicMotion |
| quasiregular polyhedron | JE29A9QXDX | unknown | open | Wikidata Q869652, MathWorld QuasiregularPolyhedron |
| quasisimple group | GMCRX6DGN5 | unknown | open | Wikidata Q7269527, LMFDB knowl group.quasisimple, MathWorld QuasisimpleGroup, nLab quasisimple group |
| quasitopos | R69EMA7Z7V | unknown | open | Wikidata Q30590669, nLab quasitopos |
| quaternary numeral system | AW50FBQ8EA | definition | open | Wikidata Q303727, ProofWiki Definition:Quaternary_Notation |
| quaternion | JP9Q9APX4E | topic | open | Wikidata Q173853, EoM Quaternion, MathWorld Quaternion, nLab quaternion, ProofWiki Definition:Quaternion |
| quaternion group | 2V2PGRB7P4 | definition | open | Wikidata Q1335680, EoM Quaternion_group, MathWorld QuaternionGroup, nLab quaternion group, ProofWiki Definition:Dicyclic_Group/Quaternion_Group |
| quaternion-Kähler manifold | 1EGB1H0RYW | concept | open | Wikidata Q7269561, nLab quaternion-Kähler manifold |
| quaternionic manifold | XFB5VNV0JK | unknown | open | Wikidata Q48816073, nLab quaternionic manifold |
| quaternionic projective space | GSXZ1VNQM4 | unknown | open | Wikidata Q2724480, nLab quaternionic projective space |
| quaternionic representation | EWJPWGQYFS | topic | open | Wikidata Q7269569 |
| Qubic | 1KWEG351S2 | unknown | open | Wikidata Q378234, MathWorld Qubic |
| qubit | 8DQWEJKF2G | unknown | open | Wikidata Q378201, MathWorld Qubit |
| quecto | X4QGCSYCK1 | definition | open | Wikidata Q107915314, ProofWiki Definition:Metric_System/Scaling_Prefixes/Quecto- |
| queen | ZE0C053PKZ | definition | open | Wikidata Q139, ProofWiki Definition:Chess/Piece/Queen |
| queen's graph | 25RQC1KRQ8 | unknown | open | Wikidata Q29554872, MathWorld QueenGraph |
| Quesiti, et Inventioni Diverse | XX7QJXVN3F | unknown | out_of_scope (a book, not an item of mathematics) | Wikidata Q19138913, ProofWiki Book:Nicolo_Tartaglia/Quesiti,_et_Inventioni_Diverse |
| quetta | AXS4EPYTVR | definition | open | Wikidata Q107915098, ProofWiki Definition:Metric_System/Scaling_Prefixes/Quetta- |
| queue | 6QWQSWWVQV | unknown | open | Wikidata Q220543, MathWorld Queue |
| queueing theory | G1JAA9SZMQ | topic | open | Wikidata Q847526, MathWorld QueuingTheory |
| quicksort | EP9S8JV1VJ | unknown | open | Wikidata Q486598, MathWorld Quicksort |
| quiet NaN | FMQH10EHGY | unknown | open | Wikidata Q121189858, MathWorld QuietNaN |
| Quillen adjunction | TTJ3PGVP7H | unknown | open | Wikidata Q7271995, nLab Quillen adjunction |
| Quillen–Suslin theorem | CYSNF7R5WE | statement | open | Wikidata Q7272004, MathWorld SerresProblem |
| quinary | VKMPNDA1WH | definition | open | Wikidata Q263994, ProofWiki Definition:Quintal_Notation |
| quincunx | 3F8JY550A9 | unknown | open | Wikidata Q2123264, MathWorld Quincunx |
| quintessence | GTW2CHJ6A2 | definition | open | Wikidata Q12032053, ProofWiki Definition:Philosophical_Element/Quintessence |
| quintic equation | HFTBAX0687 | definition | open | Wikidata Q768390, MathWorld QuinticEquation, ProofWiki Definition:Quintic_Equation |
| quintic graph | 3MG57F1Y5S | unknown | open | Wikidata Q137734761, MathWorld QuinticGraph |
| quintillion | FD3NAJVTF5 | unknown | open | Wikidata Q11751755, MathWorld Quintillion |
| quiver | 76XNY8A29F | unknown | open | Wikidata Q493980, EoM Quiver, nLab quiver |
| quiver diagram | Z45CRNTRYQ | unknown | open | Wikidata Q7272681, nLab quiver gauge theory |
| Quot scheme | FP8WG13AM5 | unknown | open | Wikidata Q19960391, nLab Quot scheme |
| quotient | RZA853Y1CH | unknown | open | Wikidata Q41118, MathWorld Quotient |
| quotient category | K3RGRJC2C0 | unknown | open | Wikidata Q7272896, nLab quotient category |
| quotient group | QWK291BRYE | unknown | open | Wikidata Q1138961, EoM Quotient_group, MathWorld QuotientGroup, nLab quotient group |
| quotient mapping | 5ZNXJ5GT42 | unknown | open | Wikidata Q1532424, MathWorld CanonicalMap |
| quotient module | 9MQ7KNK8HP | unknown | open | Wikidata Q1432554, MathWorld QuotientModule, nLab quotient module |
| quotient object | A60C4MQD6P | unknown | open | Wikidata Q77982104, EoM Quotient_object |
| quotient ring | 20Z8XK08MP | definition | open | Wikidata Q619436, Mathlib Ideal.Quotient.ring, MathWorld QuotientRing, nLab quotient ring, ProofWiki Definition:Quotient_Ring |
| quotient rule | CZWQV2PM4Q | unknown | open | Wikidata Q531392, MathWorld QuotientRule |
| quotient set | 2ZKR7AM3JN | definition | open | Wikidata Q3966112, MathWorld QuotientSet, nLab quotient set, ProofWiki Definition:Quotient_Set |
| quotient space | A0RE52V9AD | unknown | open | Wikidata Q1393796, MathWorld QuotientVectorSpace |
| quotient stack | C4CB75JG1Q | unknown | open | Wikidata Q17099701, nLab quotient stack |
| quotient topological space | P3DNCZ58ZS | unknown | open | Wikidata Q1139111, MathWorld QuotientSpace |
| quotient type | 31A6BAMCZB | unknown | open | Wikidata Q17045118, nLab quotient type |
| Qusta ibn Luqa | 7VA90X2D0C | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q1621474, ProofWiki Mathematician:Qusta_ibn_Luqa |
| Q–Q plot | 4WC5D3VJC1 | unknown | open | Wikidata Q378347, MathWorld Quantile-QuantilePlot |