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Dive into the fascinating world of mathematics with our captivating articles, written by passionate experts. Whether you are a curious amateur or a seasoned mathematician, our articles cover a wide range of topics, from fundamental concepts to the latest discoveries, including practical applications and philosophical reflections.

Quadrant: the four regions of the plane | Tangente

Quadrant: the four regions of the plane | Tangente

Mar 16, 2026
Orthocentric quadrilateral: four orthocentres | Tangente

Orthocentric quadrilateral: four orthocentres | Tangente

Mar 16, 2026
Cyclic quadrilateral: concyclic vertices | Tangente

Cyclic quadrilateral: concyclic vertices | Tangente

Mar 16, 2026
QROC: Short Open-Response Question | Tangente

QROC: Short Open-Response Question | Tangente

Mar 16, 2026
Complete quadrangle: four points and six lines | Tangente

Complete quadrangle: four points and six lines | Tangente

Mar 16, 2026
Qin Jiushao: Chinese remainders in the 13th century | Tangente
Famous figures

Qin Jiushao: Chinese remainders in the 13th century | Tangente

Mar 16, 2026
Qian Baocong (1892–1974), maths historian | Tangente
Famous figures

Qian Baocong (1892–1974), maths historian | Tangente

Mar 16, 2026
Mathematics multiple-choice questionnaire: format and grading scale | Tangente

Mathematics multiple-choice questionnaire: format and grading scale | Tangente

Mar 16, 2026
Periodicity of a function: definition | Tangente

Periodicity of a function: definition | Tangente

Mar 16, 2026
Jean Pèlerin, called Le Viator: treatise on perspective | Tangente
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Jean Pèlerin, called Le Viator: treatise on perspective | Tangente

Mar 16, 2026
Perihelion: closest point to the Sun | Tangente

Perihelion: closest point to the Sun | Tangente

Mar 16, 2026
Freinet pedagogy: trial and error and cooperation | Tangente

Freinet pedagogy: trial and error and cooperation | Tangente

Mar 16, 2026
Project-based pedagogy: active learning | Tangente

Project-based pedagogy: active learning | Tangente

Mar 16, 2026
Pythagoras of Samos: life, school and doctrine | Tangente
Famous figures

Pythagoras of Samos: life, school and doctrine | Tangente

Mar 16, 2026
Sarrelouis puzzle: five-piece tangram | Tangente

Sarrelouis puzzle: five-piece tangram | Tangente

Mar 16, 2026
Pyraminx: Meffert's tetrahedral puzzle | Tangente

Pyraminx: Meffert's tetrahedral puzzle | Tangente

Mar 16, 2026
Sam Loyd puzzle: 5 pieces, square or cross | Tangente

Sam Loyd puzzle: 5 pieces, square or cross | Tangente

Mar 16, 2026
Pythagorean puzzle: illustration of Pythagoras' theorem | Tangente

Pythagorean puzzle: illustration of Pythagoras' theorem | Tangente

Mar 16, 2026
Lewis Carroll's puzzle: The 64 = 65 paradox | Tangente

Lewis Carroll's puzzle: The 64 = 65 paradox | Tangente

Mar 16, 2026
Leitzmann puzzle: Pythagoras in eight pieces | Tangente

Leitzmann puzzle: Pythagoras in eight pieces | Tangente

Mar 16, 2026