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4 ώρες πριν · The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as are commonly used to ...
1 ημέρα πριν · The first part of the Rhind papyrus consists of reference tables and a collection of 21 arithmetic and 20 algebraic problems. The problems start out with simple fractional expressions, followed by completion (sekem) problems and more involved linear equations (aha problems).The first part of the papyrus is taken up by the 2/n table.The fractions 2/n for odd n ranging from 3 to 101 are ...
4 ώρες πριν · A complex number can be visually represented as a pair of numbers (a, b) forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the "imaginary unit", that satisfies i 2 = −1.. In mathematics, a complex number is an element of a number system that extends the real numbers with a specific element denoted i ...
1 ημέρα πριν · Latin (lingua Latina, Latin: [ˈlɪŋɡʷa ɫaˈtiːna], or Latinum, Latin: [ɫaˈtiːnʊ̃]) is a classical language belonging to the Italic branch of the Indo-European languages.Considered a dead language, Latin was originally spoken in Latium (now known as Lazio), the lower Tiber area around Rome, Italy. Through the expansion of the Roman Republic it became the dominant language in the ...
1 ημέρα πριν · Pittsburgh was named in 1758, by General John Forbes, in honor of British statesman William Pitt, 1st Earl of Chatham.As Forbes was a Scotsman, he probably pronounced the name / ˈ p ɪ t s b ər ə / PITS-bər-ə (similar to Edinburgh).. Pittsburgh was incorporated as a borough on April 22, 1794, with the following Act: "Be it enacted by the Pennsylvania State Senate and Pennsylvania House of ...
