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Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.
Greek symbols are used as symbols in mathematics, physics and other sciences. Many symbols have traditional uses, such as lower case epsilon (ε) for an arbitrarily small positive number , lower case pi (π) for the ratio of the circumference of a circle to its diameter , capital sigma (Σ) for summation , and lower case sigma (σ) for standard ...
Rho (/ ˈ r oʊ /; uppercase Ρ, lowercase ρ or ϱ; Greek: ρο or ρω) is the seventeenth letter of the Greek alphabet.In the system of Greek numerals it has a value of 100. It is derived from Phoenician letter res.
epsilon: Ρρ: rho: Ζζ: zeta: Σσς: sigma: ... u+03fd Ͻ greek capital reversed lunate sigma symbol, u+03fe Ͼ greek capital dotted lunate sigma symbol, ...
Epsilon with acute and smooth breathing: Archaic letter denoting the absence of /h/ prior to the vowel, with a high pitch on a short vowel or rising pitch on a long vowel Ἒἒ: Epsilon with grave and smooth breathing: Archaic letter denoting the absence of /h/ prior to the vowel, with a normal or low pitch Ἑἑ: Epsilon with rough breathing
rho: mass density usually simply called density kilogram per cubic meter (kg/m 3) volume charge density: coulomb per cubic meter (C/m 3) resistivity: ohm meter (Ω⋅m) sigma: summation operator area charge density: coulomb per square meter (C/m 2) electrical conductivity: siemens per meter (S/m) normal stress: pascal (Pa)
The fraternity's Greek letter name, Beta Epsilon Gamma Gamma Alpha Rho Sigma, was selected to spell the word Beggers. The fraternity's colors are gold, navy blue, and white. Its flower is the white carnation. Its symbols are the triangle, circle, and flash.
When this is the case, the resistance of the conductor is directly proportional to its length and inversely proportional to its cross-sectional area, where the electrical resistivity ρ (Greek: rho) is the constant of proportionality. This is written as: