pi
Significado (English)
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- The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
- An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265358979323846264338327950; usually written π.
- Metal type that has been spilled, mixed together, or disordered.
Conceptos
Synonyms
Frecuencia
Pronunciado como (IPA)
/paɪ/
Etimología (English)
From Ancient Greek πεῖ (peî), ultimately from Proto-Semitic *pay- (“mouth”). Doublet of pe. Its mathematical use apparently stems from its use as the first letter in περιφέρεια (periphéreia, “periphery; circumference”) and was first cited in 1706 in the Synopsis Palmariorum Matheseos by William Jones.
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Notes