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\( \sum \)

Short Description

This is the summation symbol in mathematics, it represents the sum of a sequence of numbers.

Medium Description

This is the summation symbol in mathematics, it represents the sum of a sequence of numbers. It simplifies the notation for adding a series of terms, typically expressed as \(\sum_{\htmlClass{sdt-0000000018}{i} = \htmlClass{sdt-0000000121}{a}}^{\htmlClass{sdt-0000000033}{b}} \htmlClass{sdt-0000000003}{x}_{\htmlClass{sdt-0000000018}{i}}\)​ which means the sum of all \(\htmlClass{sdt-0000000003}{x}_{\htmlClass{sdt-0000000018}{i}}\)​ terms for \(\htmlClass{sdt-0000000018}{i}\) ranging from \(\htmlClass{sdt-0000000121}{a}\) to \(\htmlClass{sdt-0000000033}{b}\). This notation is widely used in various fields of mathematics, including statistics, calculus, and algebra.

Long Description

The summation symbol in mathematics, denoted as the uppercase Greek letter Sigma \((\sum)\), represents the sum of a sequence of numbers. It simplifies the notation for adding a series of terms, typically expressed as \(\sum_{\htmlClass{sdt-0000000018}{i} = \htmlClass{sdt-0000000121}{a}}^{\htmlClass{sdt-0000000033}{b}} \htmlClass{sdt-0000000003}{x}_{\htmlClass{sdt-0000000018}{i}}\)​which means the sum of all \(\htmlClass{sdt-0000000003}{x}_{\htmlClass{sdt-0000000018}{i}}\)​terms for \(\htmlClass{sdt-0000000018}{i}\) ranging from \(\htmlClass{sdt-0000000121}{a}\) to \(\htmlClass{sdt-0000000033}{b}\). This notation is widely used in various fields of mathematics, including statistics, calculus, and algebra.