text stringlengths 115 252 | tea_id stringlengths 12 66 | person_name stringlengths 6 42 | tradition stringlengths 4 78 | verification_status stringclasses 67
values | difficulty_tier stringclasses 6
values | topics stringlengths 43 130 | pre_modern bool 1
class | tier_label stringclasses 1
value |
|---|---|---|---|---|---|---|---|---|
Person: al-Khwarizmi (Abbasid Islamic / Khorasan)
Difficulty: intermediate | Topics: algebra, quadratic equations, geometric proof, completion of the square | tea-al-khwarizmi-001 | al-Khwarizmi | Abbasid Islamic / Khorasan | verified-from-primary | intermediate | algebra, quadratic equations, geometric proof, completion of the square | true | unknown |
Person: al-Khwarizmi (Abbasid Islamic / Khorasan)
Difficulty: intermediate | Topics: arithmetic, root extraction, Indian numerals, positional notation | tea-al-khwarizmi-004 | al-Khwarizmi | Abbasid Islamic / Khorasan | verified-from-primary | intermediate | arithmetic, root extraction, Indian numerals, positional notation | true | unknown |
Person: al-Khwarizmi (Abbasid Islamic / Khorasan)
Difficulty: introductory | Topics: algebra, quadratic equations, canonical forms, al-jabr | tea-al-khwarizmi-005 | al-Khwarizmi | Abbasid Islamic / Khorasan | verified-from-primary | introductory | algebra, quadratic equations, canonical forms, al-jabr | true | unknown |
Person: al-Khwarizmi (Abbasid Islamic / Khorasan)
Difficulty: introductory | Topics: algebra, linear equations, al-muqabala, reduction | tea-al-khwarizmi-003 | al-Khwarizmi | Abbasid Islamic / Khorasan | verified-from-primary | introductory | algebra, linear equations, al-muqabala, reduction | true | unknown |
Person: Madhava of Sangamagrama (Kerala School of Mathematics and Astronomy)
Difficulty: intermediate | Topics: infinite series, pi approximation, convergence, circle | tea-madhava-001 | Madhava of Sangamagrama | Kerala School of Mathematics and Astronomy | verified-from-primary | intermediate | infinite series, pi approximation, convergence, circle | true | unknown |
Person: Madhava of Sangamagrama (Kerala School of Mathematics and Astronomy)
Difficulty: advanced | Topics: infinite series, cosine, trigonometry, power series | tea-madhava-004 | Madhava of Sangamagrama | Kerala School of Mathematics and Astronomy | verified-from-primary | advanced | infinite series, cosine, trigonometry, power series | true | unknown |
Person: Madhava of Sangamagrama (Kerala School of Mathematics and Astronomy)
Difficulty: advanced | Topics: infinite series, arctangent, trigonometry, Kerala school | tea-madhava-002 | Madhava of Sangamagrama | Kerala School of Mathematics and Astronomy | verified-from-primary | advanced | infinite series, arctangent, trigonometry, Kerala school | true | unknown |
Person: Madhava of Sangamagrama (Kerala School of Mathematics and Astronomy)
Difficulty: advanced | Topics: infinite series, sine, trigonometry, power series | tea-madhava-003 | Madhava of Sangamagrama | Kerala School of Mathematics and Astronomy | verified-from-primary | advanced | infinite series, sine, trigonometry, power series | true | unknown |
Person: Liu Hui (Han / Three Kingdoms Chinese)
Difficulty: intermediate | Topics: pi approximation, polygon method, gou-gu rule, circle | tea-liu-hui-001 | Liu Hui | Han / Three Kingdoms Chinese | verified-from-primary | intermediate | pi approximation, polygon method, gou-gu rule, circle | true | unknown |
Person: Liu Hui (Han / Three Kingdoms Chinese)
Difficulty: introductory | Topics: gou-gu rule, right triangle, geometry, dissection proof | tea-liu-hui-002 | Liu Hui | Han / Three Kingdoms Chinese | verified-from-primary | introductory | gou-gu rule, right triangle, geometry, dissection proof | true | unknown |
Person: Liu Hui (Han / Three Kingdoms Chinese)
Difficulty: advanced | Topics: volume, pyramid, dissection, limit argument, exhaustion | tea-liu-hui-004 | Liu Hui | Han / Three Kingdoms Chinese | verified-from-primary | advanced | volume, pyramid, dissection, limit argument, exhaustion | true | unknown |
Person: Brahmagupta (Brahma school / Rajasthan (Bhinmal))
Difficulty: introductory | Topics: zero, arithmetic, division by zero, historical error | tea-brahmagupta-002 | Brahmagupta | Brahma school / Rajasthan (Bhinmal) | verified-from-primary | introductory | zero, arithmetic, division by zero, historical error | true | unknown |
Person: Brahmagupta (Brahma school / Rajasthan (Bhinmal))
Difficulty: intermediate | Topics: number theory, sums of squares, identity, integer arithmetic | tea-brahmagupta-003 | Brahmagupta | Brahma school / Rajasthan (Bhinmal) | verified-from-primary | intermediate | number theory, sums of squares, identity, integer arithmetic | true | unknown |
Person: Brahmagupta (Brahma school / Rajasthan (Bhinmal))
Difficulty: advanced | Topics: kuttaka, linear Diophantine equations, remainder problems, number theory | tea-brahmagupta-005 | Brahmagupta | Brahma school / Rajasthan (Bhinmal) | verified-from-primary | advanced | kuttaka, linear Diophantine equations, remainder problems, number theory | true | unknown |
Person: Aryabhata (Gupta period Indian / Kusumapura (Pataliputra))
Difficulty: intermediate | Topics: kuttaka, remainder problems, linear Diophantine, least common multiple | tea-aryabhata-004 | Aryabhata | Gupta period Indian / Kusumapura (Pataliputra) | verified-from-primary | intermediate | kuttaka, remainder problems, linear Diophantine, least common multiple | true | unknown |
Person: Aryabhata (Gupta period Indian / Kusumapura (Pataliputra))
Difficulty: intermediate | Topics: sphere, volume, surface area, geometry, gola | tea-aryabhata-005 | Aryabhata | Gupta period Indian / Kusumapura (Pataliputra) | verified-from-primary | intermediate | sphere, volume, surface area, geometry, gola | true | unknown |
Person: Aryabhata (Gupta period Indian / Kusumapura (Pataliputra))
Difficulty: intermediate | Topics: sine table, jya, trigonometry, difference method | tea-aryabhata-001 | Aryabhata | Gupta period Indian / Kusumapura (Pataliputra) | verified-from-primary | intermediate | sine table, jya, trigonometry, difference method | true | unknown |
Person: Aryabhata (Gupta period Indian / Kusumapura (Pataliputra))
Difficulty: introductory | Topics: pi approximation, circle, circumference, ratio | tea-aryabhata-002 | Aryabhata | Gupta period Indian / Kusumapura (Pataliputra) | verified-from-primary | introductory | pi approximation, circle, circumference, ratio | true | unknown |
Person: Bhaskara II (Indian (Siddhantic / Bija-ganita))
Difficulty: advanced | Topics: indeterminate equations, varga-prakrti, cyclic method, square-nature, integer arithmetic | tea-bhaskara-ii-001 | Bhaskara II | Indian (Siddhantic / Bija-ganita) | verified-from-primary | advanced | indeterminate equations, varga-prakrti, cyclic method, square-nature, integer arithmetic | true | unknown |
Person: Bhaskara II (Indian (Siddhantic / Lilavati arithmetic))
Difficulty: introductory | Topics: right triangle, geometric proof, karna-bhuja-koti, figure-proof, arithmetic | tea-bhaskara-ii-002 | Bhaskara II | Indian (Siddhantic / Lilavati arithmetic) | verified-from-primary | introductory | right triangle, geometric proof, karna-bhuja-koti, figure-proof, arithmetic | true | unknown |
Person: Bhaskara II (Indian (Siddhantic astronomy / Bija-ganita))
Difficulty: advanced | Topics: sine function, instantaneous rate of change, tatkalika-gati, trigonometry, proto-calculus | tea-bhaskara-ii-003 | Bhaskara II | Indian (Siddhantic astronomy / Bija-ganita) | scholar-review-needed | advanced | sine function, instantaneous rate of change, tatkalika-gati, trigonometry, proto-calculus | true | unknown |
Person: Bhaskara II (Indian (Siddhantic / Lilavati arithmetic))
Difficulty: intermediate | Topics: combinations, permutations, factorial, enumeration, combinatorics | tea-bhaskara-ii-004 | Bhaskara II | Indian (Siddhantic / Lilavati arithmetic) | verified-from-primary | intermediate | combinations, permutations, factorial, enumeration, combinatorics | true | unknown |
Person: Pythagoras / early Pythagoreans (Greek (Pythagorean))
Difficulty: introductory | Topics: figurate numbers, gnomon, square numbers, odd numbers, pebble arithmetic | tea-pythagoras-005 | Pythagoras / early Pythagoreans | Greek (Pythagorean) | verified-from-primary | introductory | figurate numbers, gnomon, square numbers, odd numbers, pebble arithmetic | true | unknown |
Person: Pythagoras / early Pythagoreans (Greek (Pythagorean))
Difficulty: introductory | Topics: Pythagorean triple, right triangle, whole numbers, geometric construction, square numbers | tea-pythagoras-003 | Pythagoras / early Pythagoreans | Greek (Pythagorean) | scholar-review-needed | introductory | Pythagorean triple, right triangle, whole numbers, geometric construction, square numbers | true | unknown |
Person: Pythagoras / early Pythagoreans (Greek (Pythagorean))
Difficulty: introductory | Topics: music theory, ratio, monochord, concord, number and nature | tea-pythagoras-001 | Pythagoras / early Pythagoreans | Greek (Pythagorean) | scholar-review-needed | introductory | music theory, ratio, monochord, concord, number and nature | true | unknown |
Person: Pythagoras / early Pythagoreans (Greek (Pythagorean, attributed to Hippasus of Metapontum))
Difficulty: intermediate | Topics: irrationality, incommensurability, proof by contradiction, square root, number theory | tea-pythagoras-004 | Pythagoras / early Pythagoreans | Greek (Pythagorean, attributed to Hippasus of Metapontum) | scholar-review-needed | intermediate | irrationality, incommensurability, proof by contradiction, square root, number theory | true | unknown |
Person: Euclid (Greek (Euclidean geometry))
Difficulty: introductory | Topics: geometric construction, circle, equilateral triangle, postulates, common notions | tea-euclid-001 | Euclid | Greek (Euclidean geometry) | verified-from-primary | introductory | geometric construction, circle, equilateral triangle, postulates, common notions | true | unknown |
Person: Euclid (Greek (Euclidean geometry))
Difficulty: intermediate | Topics: right triangle, square, geometric proof, congruence, area | tea-euclid-003 | Euclid | Greek (Euclidean geometry) | verified-from-primary | intermediate | right triangle, square, geometric proof, congruence, area | true | unknown |
Person: Euclid (Greek (Euclidean / Eudoxean proportion theory))
Difficulty: advanced | Topics: ratio, proportion, Eudoxean definition, multiple, incommensurability | tea-euclid-004 | Euclid | Greek (Euclidean / Eudoxean proportion theory) | verified-from-primary | advanced | ratio, proportion, Eudoxean definition, multiple, incommensurability | true | unknown |
Person: Euclid (Greek (Euclidean arithmetic / number theory))
Difficulty: intermediate | Topics: prime numbers, proof by contradiction, infinitude, divisibility, number theory | tea-euclid-005 | Euclid | Greek (Euclidean arithmetic / number theory) | verified-from-primary | intermediate | prime numbers, proof by contradiction, infinitude, divisibility, number theory | true | unknown |
Person: Euclid (Greek (Euclidean arithmetic / number theory))
Difficulty: advanced | Topics: perfect numbers, divisors, geometric series, prime numbers, number theory | tea-euclid-006 | Euclid | Greek (Euclidean arithmetic / number theory) | verified-from-primary | advanced | perfect numbers, divisors, geometric series, prime numbers, number theory | true | unknown |
Person: Archimedes (Greek (Archimedean / Hellenistic))
Difficulty: advanced | Topics: area, parabola, lever, method of exhaustion, mechanical reasoning | tea-archimedes-002 | Archimedes | Greek (Archimedean / Hellenistic) | verified-from-primary | advanced | area, parabola, lever, method of exhaustion, mechanical reasoning | true | unknown |
Person: Archimedes (Greek (Archimedean / Hellenistic))
Difficulty: advanced | Topics: pi, circle, polygon approximation, exhaustion, bounds | tea-archimedes-001 | Archimedes | Greek (Archimedean / Hellenistic) | verified-from-primary | advanced | pi, circle, polygon approximation, exhaustion, bounds | true | unknown |
Person: Archimedes (Greek (Archimedean / Hellenistic))
Difficulty: intermediate | Topics: large numbers, numeration system, cosmology, estimation, powers | tea-archimedes-004 | Archimedes | Greek (Archimedean / Hellenistic) | verified-from-primary | intermediate | large numbers, numeration system, cosmology, estimation, powers | true | unknown |
Person: Diophantus (Greek (Diophantine / Hellenistic arithmetic))
Difficulty: intermediate | Topics: indeterminate equations, square numbers, rational solutions, algebraic method, Arithmetica | tea-diophantus-001 | Diophantus | Greek (Diophantine / Hellenistic arithmetic) | verified-from-primary | intermediate | indeterminate equations, square numbers, rational solutions, algebraic method, Arithmetica | true | unknown |
Person: Diophantus (Greek (Diophantine / Hellenistic arithmetic))
Difficulty: introductory | Topics: system of equations, sum and product, quadratic, algebraic method, Arithmetica | tea-diophantus-002 | Diophantus | Greek (Diophantine / Hellenistic arithmetic) | verified-from-primary | introductory | system of equations, sum and product, quadratic, algebraic method, Arithmetica | true | unknown |
Person: Diophantus (Greek (Diophantine / Hellenistic arithmetic))
Difficulty: advanced | Topics: indeterminate equations, square numbers, systems of conditions, rational arithmetic, Arithmetica | tea-diophantus-003 | Diophantus | Greek (Diophantine / Hellenistic arithmetic) | scholar-review-needed | advanced | indeterminate equations, square numbers, systems of conditions, rational arithmetic, Arithmetica | true | unknown |
Person: Pingala (Indian / Vedic prosody)
Difficulty: intermediate | Topics: number, sound, pre-modern-math, pre-modern-mathematician | tea-pingala-002 | Pingala | Indian / Vedic prosody | sourced | intermediate | number, sound, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Pingala (Indian / Vedic prosody)
Difficulty: introductory | Topics: number, sound, pre-modern-math, pre-modern-mathematician | tea-pingala-003 | Pingala | Indian / Vedic prosody | sourced | introductory | number, sound, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Pingala (Indian / Vedic prosody)
Difficulty: advanced | Topics: number, sound, pre-modern-math, pre-modern-mathematician | tea-pingala-005 | Pingala | Indian / Vedic prosody | sourced | advanced | number, sound, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Halayudha (Indian / Sanskrit scholarship)
Difficulty: intermediate | Topics: number, sound, pre-modern-math, pre-modern-mathematician, misattribution-restoration | tea-halayudha-001 | Halayudha | Indian / Sanskrit scholarship | sourced | intermediate | number, sound, pre-modern-math, pre-modern-mathematician, misattribution-restoration | true | unknown |
Person: Halayudha (Indian / Sanskrit scholarship)
Difficulty: intermediate | Topics: number, sound, pre-modern-math, pre-modern-mathematician | tea-halayudha-002 | Halayudha | Indian / Sanskrit scholarship | sourced | intermediate | number, sound, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Halayudha (Indian / Sanskrit scholarship)
Difficulty: introductory | Topics: number, sound, pre-modern-math, pre-modern-mathematician | tea-halayudha-004 | Halayudha | Indian / Sanskrit scholarship | sourced | introductory | number, sound, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Halayudha (Indian / Sanskrit scholarship)
Difficulty: advanced | Topics: number, pre-modern-math, pre-modern-mathematician | tea-halayudha-005 | Halayudha | Indian / Sanskrit scholarship | sourced | advanced | number, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Hemachandra (Indian / Jain scholarship)
Difficulty: introductory | Topics: number, sound, pre-modern-math, pre-modern-mathematician, misattribution-restoration | tea-hemachandra-001 | Hemachandra | Indian / Jain scholarship | sourced | introductory | number, sound, pre-modern-math, pre-modern-mathematician, misattribution-restoration | true | unknown |
Person: Hemachandra (Indian / Jain scholarship)
Difficulty: intermediate | Topics: number, sound, pre-modern-math, pre-modern-mathematician | tea-hemachandra-003 | Hemachandra | Indian / Jain scholarship | sourced | intermediate | number, sound, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Hemachandra (Indian / Jain scholarship)
Difficulty: intermediate | Topics: number, sound, pre-modern-math, pre-modern-mathematician | tea-hemachandra-002 | Hemachandra | Indian / Jain scholarship | sourced | intermediate | number, sound, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Hemachandra (Indian / Jain scholarship)
Difficulty: advanced | Topics: number, sound, pre-modern-math, pre-modern-mathematician | tea-hemachandra-005 | Hemachandra | Indian / Jain scholarship | partial | advanced | number, sound, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Omar Khayyam (Islamic / Persian mathematics)
Difficulty: advanced | Topics: number, form, pre-modern-math, pre-modern-mathematician | tea-omar-khayyam-001 | Omar Khayyam | Islamic / Persian mathematics | sourced | advanced | number, form, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Omar Khayyam (Islamic / Persian mathematics)
Difficulty: intermediate | Topics: number, pre-modern-math, pre-modern-mathematician | tea-omar-khayyam-006 | Omar Khayyam | Islamic / Persian mathematics | sourced | intermediate | number, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: Omar Khayyam (Islamic / Persian mathematics)
Difficulty: intermediate | Topics: number, pre-modern-math, pre-modern-mathematician, misattribution-restoration | tea-omar-khayyam-003 | Omar Khayyam | Islamic / Persian mathematics | sourced | intermediate | number, pre-modern-math, pre-modern-mathematician, misattribution-restoration | true | unknown |
Person: Omar Khayyam (Islamic / Persian mathematics)
Difficulty: intermediate | Topics: number, form, pre-modern-math, pre-modern-mathematician | tea-omar-khayyam-002 | Omar Khayyam | Islamic / Persian mathematics | sourced | intermediate | number, form, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: al-Karaji (Islamic / Iraqi-Persian mathematics)
Difficulty: advanced | Topics: number, pre-modern-math, pre-modern-mathematician | tea-al-karaji-004 | al-Karaji | Islamic / Iraqi-Persian mathematics | sourced | advanced | number, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: al-Karaji (Islamic / Iraqi-Persian mathematics)
Difficulty: intermediate | Topics: number, pre-modern-math, pre-modern-mathematician | tea-al-karaji-005 | al-Karaji | Islamic / Iraqi-Persian mathematics | sourced | intermediate | number, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: al-Karaji (Islamic / Iraqi-Persian mathematics)
Difficulty: intermediate | Topics: number, pre-modern-math, pre-modern-mathematician | tea-al-karaji-003 | al-Karaji | Islamic / Iraqi-Persian mathematics | sourced | intermediate | number, pre-modern-math, pre-modern-mathematician | true | unknown |
Person: al-Battani, Abu Abdallah (Islamic)
Difficulty: advanced | Topics: astronomy, time-measurement, solar-anomaly, equation-of-time, ecliptic | al-battani-equation-of-time-004 | al-Battani, Abu Abdallah | Islamic | source-confirmed | advanced | astronomy, time-measurement, solar-anomaly, equation-of-time, ecliptic | true | unknown |
Person: al-Battani, Abu Abdallah (Islamic)
Difficulty: advanced | Topics: spherical-trigonometry, qibla, astronomy, geography, Islamic-practice | al-battani-spherical-trig-qibla-003 | al-Battani, Abu Abdallah | Islamic | source-confirmed | advanced | spherical-trigonometry, qibla, astronomy, geography, Islamic-practice | true | unknown |
Person: al-Khujandi, Abu Mahmud (Islamic)
Difficulty: advanced | Topics: sundial, conic-sections, spherical-trigonometry, shadow-projection, astronomy | al-khujandi-sundial-theory-005 | al-Khujandi, Abu Mahmud | Islamic | source-confirmed | advanced | sundial, conic-sections, spherical-trigonometry, shadow-projection, astronomy | true | unknown |
Person: al-Kashi, Jamshid (Islamic)
Difficulty: advanced | Topics: planetary-tables, zij, mean-motion, astronomical-computation, Samarkand | al-kashi-khaqani-zij-005 | al-Kashi, Jamshid | Islamic | source-confirmed | advanced | planetary-tables, zij, mean-motion, astronomical-computation, Samarkand | true | unknown |
Person: Thabit ibn Qurra (Islamic)
Difficulty: advanced | Topics: statics, lever, equilibrium, centre-of-gravity, Archimedean-legacy | thabit-lever-statics-004 | Thabit ibn Qurra | Islamic | source-confirmed | advanced | statics, lever, equilibrium, centre-of-gravity, Archimedean-legacy | true | unknown |
Person: al-Battani, Abu Abdallah (Islamic)
Difficulty: advanced | Topics: astronomy, lunar-theory, eclipse-observation, orbital-elements, parallax | al-battani-lunar-orbit-elements-005 | al-Battani, Abu Abdallah | Islamic | source-confirmed | advanced | astronomy, lunar-theory, eclipse-observation, orbital-elements, parallax | true | unknown |
Person: al-Khujandi, Abu Mahmud (Islamic)
Difficulty: advanced | Topics: obliquity, secular-change, astronomy, observation, instrument-error | al-khujandi-axial-tilt-secular-change-004 | al-Khujandi, Abu Mahmud | Islamic | source-confirmed | advanced | obliquity, secular-change, astronomy, observation, instrument-error | true | unknown |
Person: al-Biruni, Abu Rayhan (Islamic)
Difficulty: advanced | Topics: geodesy, Earth-radius, trigonometry, dip-angle, measurement | al-biruni-earth-radius-mountain-001 | al-Biruni, Abu Rayhan | Islamic | source-confirmed | advanced | geodesy, Earth-radius, trigonometry, dip-angle, measurement | true | unknown |
Person: Ulugh Beg (Islamic)
Difficulty: advanced | Topics: planetary-tables, zij, observational-astronomy, precision, Samarkand-observatory | ulugh-beg-zij-sultani-001 | Ulugh Beg | Islamic | source-confirmed | advanced | planetary-tables, zij, observational-astronomy, precision, Samarkand-observatory | true | unknown |
Person: al-Biruni, Abu Rayhan (Islamic)
Difficulty: advanced | Topics: trigonometry, sine, angle-formulas, iterative-computation, non-special-angles | al-biruni-sine-cosine-non-special-003 | al-Biruni, Abu Rayhan | Islamic | source-confirmed | advanced | trigonometry, sine, angle-formulas, iterative-computation, non-special-angles | true | unknown |
Person: Ulugh Beg (Islamic)
Difficulty: advanced | Topics: trigonometry, sine-table, precision, addition-formula, computational-method | ulugh-beg-trig-tables-precision-004 | Ulugh Beg | Islamic | source-confirmed | advanced | trigonometry, sine-table, precision, addition-formula, computational-method | true | unknown |
Person: Ulugh Beg (Islamic)
Difficulty: advanced | Topics: star-catalogue, observational-astronomy, ecliptic-coordinates, Ptolemy-critique, Samarkand | ulugh-beg-star-catalogue-002 | Ulugh Beg | Islamic | source-confirmed | advanced | star-catalogue, observational-astronomy, ecliptic-coordinates, Ptolemy-critique, Samarkand | true | unknown |
Person: Thabit ibn Qurra (Islamic)
Difficulty: advanced | Topics: geometry, angle-trisection, neusis, marked-straightedge, Archimedean-legacy | thabit-liber-assumptorum-005 | Thabit ibn Qurra | Islamic | source-confirmed | advanced | geometry, angle-trisection, neusis, marked-straightedge, Archimedean-legacy | true | unknown |
Person: al-Tusi, Nasir al-Din (Islamic)
Difficulty: advanced | Topics: ratio-and-proportion, Euclidean-geometry, foundations, incommensurability | al-tusi-euclid-ratio-definition-005 | al-Tusi, Nasir al-Din | Islamic | source-confirmed | advanced | ratio-and-proportion, Euclidean-geometry, foundations, incommensurability | true | unknown |
Person: al-Khujandi, Abu Mahmud (Islamic)
Difficulty: research | Topics: number-theory, Fermat-Last-Theorem, cubic-equation, attribution-debate, proof-history | al-khujandi-fermat-last-n3-002 | al-Khujandi, Abu Mahmud | Islamic | source-confirmed | research | number-theory, Fermat-Last-Theorem, cubic-equation, attribution-debate, proof-history | true | unknown |
Person: al-Kashi, Jamshid (Islamic)
Difficulty: research | Topics: iterative-methods, cubic-equation, sine, fixed-point, numerical-approximation | al-kashi-iterative-root-sin1-004 | al-Kashi, Jamshid | Islamic | source-confirmed | research | iterative-methods, cubic-equation, sine, fixed-point, numerical-approximation | true | unknown |
Person: al-Biruni, Abu Rayhan (Islamic)
Difficulty: research | Topics: astrolabe, stereographic-projection, geometry, conformality, circles | al-biruni-astrolabe-theory-002 | al-Biruni, Abu Rayhan | Islamic | source-confirmed | research | astrolabe, stereographic-projection, geometry, conformality, circles | true | unknown |
Person: al-Khujandi, Abu Mahmud (Islamic)
Difficulty: research | Topics: spherical-trigonometry, cosine-rule, coordinate-systems, astronomy, four-arc-figure | al-khujandi-spherical-trig-cosine-003 | al-Khujandi, Abu Mahmud | Islamic | source-confirmed | research | spherical-trigonometry, cosine-rule, coordinate-systems, astronomy, four-arc-figure | true | unknown |
Person: al-Tusi, Nasir al-Din (Islamic)
Difficulty: research | Topics: planetary-models, astronomy, uniform-circular-motion, Ptolemy-critique, equant | al-tusi-equant-abolition-004 | al-Tusi, Nasir al-Din | Islamic | source-confirmed | research | planetary-models, astronomy, uniform-circular-motion, Ptolemy-critique, equant | true | unknown |
Person: Thabit ibn Qurra (Islamic)
Difficulty: research | Topics: geometry, parabola, area, exhaustion-method, Archimedean-legacy, pre-calculus | thabit-parabola-integration-003 | Thabit ibn Qurra | Islamic | source-confirmed | research | geometry, parabola, area, exhaustion-method, Archimedean-legacy, pre-calculus | true | unknown |
Person: al-Kashi, Jamshid (Islamic)
Difficulty: research | Topics: pi, polygon-approximation, sexagesimal, decimal-fractions, iterative-computation | al-kashi-pi-sixteen-digits-001 | al-Kashi, Jamshid | Islamic | source-confirmed | research | pi, polygon-approximation, sexagesimal, decimal-fractions, iterative-computation | true | unknown |
Person: al-Tusi, Nasir al-Din (Islamic)
Difficulty: research | Topics: spherical-trigonometry, law-of-sines, astronomy, great-circles | al-tusi-spherical-law-of-sines-002 | al-Tusi, Nasir al-Din | Islamic | source-confirmed | research | spherical-trigonometry, law-of-sines, astronomy, great-circles | true | unknown |
Person: al-Tusi, Nasir al-Din (Islamic)
Difficulty: research | Topics: Euclidean-geometry, parallel-postulate, proof-theory, foundations | al-tusi-parallel-postulate-attempt-003 | al-Tusi, Nasir al-Din | Islamic | source-confirmed | research | Euclidean-geometry, parallel-postulate, proof-theory, foundations | true | unknown |
Person: Sunzi (Sunzi Suanjing, anonymous compiler) (Chinese)
Difficulty: intermediate | Topics: arithmetic, multiplication-algorithms, counting-rods, place-value | sunzi-multiplication-algorithm-003 | Sunzi (Sunzi Suanjing, anonymous compiler) | Chinese | source-confirmed | intermediate | arithmetic, multiplication-algorithms, counting-rods, place-value | true | unknown |
Person: Sunzi (Sunzi Suanjing, anonymous compiler) (Chinese)
Difficulty: intermediate | Topics: number-theory, remainder-arithmetic, Chinese-remainder-theorem, division-algorithms | sunzi-remainder-theorem-001 | Sunzi (Sunzi Suanjing, anonymous compiler) | Chinese | source-confirmed | intermediate | number-theory, remainder-arithmetic, Chinese-remainder-theorem, division-algorithms | true | unknown |
Person: Yang Hui (Chinese)
Difficulty: intermediate | Topics: magic-squares, number-arrangement, combinatorics, order-four | yang-hui-magic-square-order-four-005 | Yang Hui | Chinese | source-confirmed | intermediate | magic-squares, number-arrangement, combinatorics, order-four | true | unknown |
Person: Yang Hui (Chinese)
Difficulty: intermediate | Topics: arithmetic-series, summation, combinatorics, pile-problems | yang-hui-arithmetic-series-sum-003 | Yang Hui | Chinese | source-confirmed | intermediate | arithmetic-series, summation, combinatorics, pile-problems | true | unknown |
Person: Yang Hui (Chinese)
Difficulty: intermediate | Topics: combinatorics, binomial-coefficients, pascal-triangle, algebra | yang-hui-triangle-binomial-001 | Yang Hui | Chinese | source-confirmed | intermediate | combinatorics, binomial-coefficients, pascal-triangle, algebra | true | unknown |
Person: Sunzi (Sunzi Suanjing, anonymous compiler) (Chinese)
Difficulty: introductory | Topics: place-value, decimal-system, numeral-systems, counting-rods, arithmetic | sunzi-place-value-counting-rods-002 | Sunzi (Sunzi Suanjing, anonymous compiler) | Chinese | source-confirmed | introductory | place-value, decimal-system, numeral-systems, counting-rods, arithmetic | true | unknown |
Person: Sunzi (Sunzi Suanjing, anonymous compiler) (Chinese)
Difficulty: introductory | Topics: fractions, arithmetic, greatest-common-divisor, simplification | sunzi-fraction-multiplication-005 | Sunzi (Sunzi Suanjing, anonymous compiler) | Chinese | source-confirmed | introductory | fractions, arithmetic, greatest-common-divisor, simplification | true | unknown |
Person: Sunzi (Sunzi Suanjing, anonymous compiler) (Chinese)
Difficulty: advanced | Topics: arithmetic, root-extraction, square-roots, counting-rods, approximation | sunzi-square-root-extraction-004 | Sunzi (Sunzi Suanjing, anonymous compiler) | Chinese | source-confirmed | advanced | arithmetic, root-extraction, square-roots, counting-rods, approximation | true | unknown |
Person: Nilakantha Somayaji (Indian (Kerala school))
Difficulty: research | Topics: trigonometry, infinite-series, sine-series, Kerala-school, jya | nilakantha-trigonometric-series-004 | Nilakantha Somayaji | Indian (Kerala school) | source-confirmed | research | trigonometry, infinite-series, sine-series, Kerala-school, jya | true | unknown |
Person: Nilakantha Somayaji (Indian (Kerala school))
Difficulty: research | Topics: planetary-models, astronomy, iterative-methods, longitude-correction, Kerala-school | nilakantha-corrected-varga-005 | Nilakantha Somayaji | Indian (Kerala school) | source-confirmed | research | planetary-models, astronomy, iterative-methods, longitude-correction, Kerala-school | true | unknown |
Person: Nilakantha Somayaji (Indian (Kerala school))
Difficulty: advanced | Topics: planetary-models, astronomy, heliocentrism, semi-heliocentric, Mercury-Venus | nilakantha-semi-heliocentric-model-002 | Nilakantha Somayaji | Indian (Kerala school) | source-confirmed | advanced | planetary-models, astronomy, heliocentrism, semi-heliocentric, Mercury-Venus | true | unknown |
Person: Nilakantha Somayaji (Indian (Kerala school))
Difficulty: 5 | Topics: infinite-series, convergence-proofs, arctangent, Kerala-school, analysis | nilakantha-infinite-series-proof-003 | Nilakantha Somayaji | Indian (Kerala school) | source-confirmed | 5 | infinite-series, convergence-proofs, arctangent, Kerala-school, analysis | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | plimpton322-row-01 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | plimpton322-row-06 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | plimpton322-row-10 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | plimpton322-row-07 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | plimpton322-row-09 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | plimpton322-row-12 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | plimpton322-row-04 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | plimpton322-row-03 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | plimpton322-row-02 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, reciprocal-pairs | true | unknown |
Person: Plimpton 322 scribe (anonymous Babylonian) (Babylonian (Old Babylonian period))
Difficulty: advanced | Topics: Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, scribal-errors, angular-range | plimpton322-row-15 | Plimpton 322 scribe (anonymous Babylonian) | Babylonian (Old Babylonian period) | source-confirmed | advanced | Pythagorean-triples, sexagesimal-arithmetic, right-triangles, Plimpton-322, scribal-errors, angular-range | true | unknown |
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