We will keep updating it to include the latest facts. It summarizes to include all the essential and technical information these symbols. The table below depicts a bird’s-eye-view of the Sigma Symbols. In math, this symbol represents the Weierstrass sigma-function, the standard deviation in theoretical spectral analysis, the elasticity of substitution in macroeconomics, stock volatility in finance, the damping ratio in electrical engineering, velocity dispersion in astronomy, cross-sections and Pauli matrices in physics, and “stress” in engineering fields.Ĭontinue reading for more details on these symbols. Greek Small Letter Sigma Symbol(σ) The Small Letter Sigma Symbol is the Modern Greek alphabet’s 18th letter. Today, the sigma symbol is used in many branches of mathematics, including algebra, geometry, and calculus. He used it to describe the sum of a series of numbers. The first use of the sigma symbol was by the Swiss mathematician Leonhard Euler in 1755. For example, the Greek capital letter Σ is used in algebra to represent the summation operator. It is typically used in calculus and other advanced mathematics courses. Meaning of Sigma Symbols Sigma Symbols Meaning Greek Capital Letter Sigma Symbol (Σ) The Greek capital letter sigma is a mathematical symbol representing the sum of a series of terms. The copy buttons above will save you some time in doing so.Īfter copying these symbols, you can paste them anywhere by pressing Ctrl and V on your keyboard. The easiest way to get the Sigma text symbols is to copy and paste them wherever you need them.
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