salinon
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Salinon — The salinon (meaning salt cellar in Greek) is a geometrical figure that consists of four semicircles. It was first introduced by Archimedes in his Book of Lemmas .citeweb title= Salinon. From MathWorld A Wolfram Web Resource last=Weisstein… … Wikipedia
Book of Lemmas — The Book of Lemmas is a book attributed to Archimedes by Thābit ibn Qurra. The book was written over 2,200 years ago and consists of fifteen propositions on circles. [citeweb| url=http://agutie.homestead.com/files/ArchBooLem00.htm|… … Wikipedia
Unterhaltungsmathematik — Unter Unterhaltungsmathematik versteht man die Beschäftigung mit mathematischen Fragestellungen, welche vorrangig unter dem Aspekt des Zeitvertreibs betrieben wird. Dazu zählen auch Denksportaufgaben, mathematische Rätsel und humorvolle Glossen,… … Deutsch Wikipedia
Archimedes — For other uses, see Archimedes (disambiguation). Archimedes of Syracuse (Greek: Ἀρχιμήδης) … Wikipedia
Arbelos — In geometry, an arbelos is a plane region bounded by a semicircle of diameter 1, connected to semicircles of diameters r and (1 − r ), all oriented the same way and sharing a common baseline. Archimedes is believed to be the first mathematician… … Wikipedia
List of mathematics articles (S) — NOTOC S S duality S matrix S plane S transform S unit S.O.S. Mathematics SA subgroup Saccheri quadrilateral Sacks spiral Sacred geometry Saddle node bifurcation Saddle point Saddle surface Sadleirian Professor of Pure Mathematics Safe prime Safe… … Wikipedia
List of circle topics — This list of circle topics includes things related to the geometric shape, either abstractly, as in idealizations studied by geometers, or concretely in physical space. It does not include metaphors like inner circle or circular reasoning in… … Wikipedia
