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A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself. There are many areas of mathematics, which include number theory (the study of numbers), algebra (the study of formulas and related structures), geometry (the study ...
In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. Expressed algebraically, for quantities and with , is in a golden ratio to if. φ. where the Greek letter phi ( or ) denotes the golden ratio.
A modern astrolabe made in Tabriz, Iran in 2013. An astrolabe (Greek: ἀστρολάβος astrolábos, 'star-taker'; Arabic: ٱلأَسْطُرلاب al-Asṭurlāb; Persian: ستارهیاب Setāreyāb) is an astronomical instrument dating to ancient times. It serves as a star chart and physical model of visible heavenly bodies.
Pythagoras of Samos[ a ] (Ancient Greek: Πυθαγόρας; c. 570 – c. 495 BC) [ b ] was an ancient Ionian Greek philosopher, polymath and the eponymous founder of Pythagoreanism. His political and religious teachings were well known in Magna Graecia and influenced the philosophies of Plato, Aristotle, and, through them, the West in general.
Muhammad used the word Allah to indicate the Islamic conception of God. Allah has been used as a term for God by Muslims (both Arab and non-Arab), Judaeo-Arabic -speaking Jews, and Arab Christians [ 11 ] after the terms " al - ilāh " and "Allah" were used interchangeably in Classical Arabic by the majority of Arabs who had become Muslims.
Reyong. The reyong (also spelled reong) is a musical instrument used in Balinese gamelan. It consists of a long row of metal gongs suspended on a frame. In gamelan gong kebyar, it is played by four players at once, each with two mallets. Often the individual pots can be removed from the frame and played individually as bonang in beleganjur.
Eddie Murphy television credits Year Title Role Notes Ref. 1980–1984 Saturday Night Live: Himself 65 episodes; also writer 1982, 1984, 2019 Himself (host)