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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.

Geometrical instruments: rule and compass | Tangente
Math for everyone

Geometrical instruments: rule and compass | Tangente

Mar 16, 2026
Innumeracy: definition and educational issues | Tangente
Math for everyone

Innumeracy: definition and educational issues | Tangente

Mar 16, 2026
Errard's instrument: measuring without crossing | Tangente
History and Culture

Errard's instrument: measuring without crossing | Tangente

Mar 16, 2026
Injection and injective map: definition | Tangente

Injection and injective map: definition | Tangente

Mar 16, 2026
Actual and potential infinity | Tangente
History and Culture

Actual and potential infinity | Tangente

Mar 16, 2026
INSEE index: definition and uses | Tangente
Math for everyone

INSEE index: definition and uses | Tangente

Mar 16, 2026
Quételet index (BMI): formula and limits | Tangente
Math for everyone

Quételet index (BMI): formula and limits | Tangente

Mar 16, 2026
Paasche index: variable weights | Tangente

Paasche index: variable weights | Tangente

Mar 16, 2026
Gini index: inequality and the Lorenz curve | Tangente

Gini index: inequality and the Lorenz curve | Tangente

Mar 16, 2026
Laspeyres index: prices using fixed quantities | Tangente

Laspeyres index: prices using fixed quantities | Tangente

Mar 16, 2026
Fisher index: definition and calculation | Tangente

Fisher index: definition and calculation | Tangente

Mar 16, 2026
Friedman's index of coincidence: cryptanalysis | Tangente

Friedman's index of coincidence: cryptanalysis | Tangente

Mar 16, 2026
Euler's totient function φ(n): definition and uses | Tangente

Euler's totient function φ(n): definition and uses | Tangente

Mar 16, 2026
Implex in genealogy: ancestors and how to calculate it | Tangente
Math for everyone

Implex in genealogy: ancestors and how to calculate it | Tangente

Mar 16, 2026
Functional illiteracy: definition and distinction | Tangente
Math for everyone

Functional illiteracy: definition and distinction | Tangente

Mar 16, 2026
Image of a linear map: rank and kernel | Tangente

Image of a linear map: rank and kernel | Tangente

Mar 16, 2026
Euler's four-square identity | Tangente

Euler's four-square identity | Tangente

Mar 16, 2026
Rogers–Ramanujan identity: integer partitions | Tangente
Math for everyone

Rogers–Ramanujan identity: integer partitions | Tangente

Mar 16, 2026
Bézout's identity: gcd and integer coefficients | Tangente
Math for everyone

Bézout's identity: gcd and integer coefficients | Tangente

Mar 16, 2026
Euler's identity: e^(iπ)+1=0 | Tangente
Math for everyone

Euler's identity: e^(iπ)+1=0 | Tangente

Mar 16, 2026