Learn How to Calculate Summation / Sigma - Tutorial

How to calculate Summation / Sigma - Definition, Formula and Example

Definition

Summation is the process of adding a set of numbers, and it is denoted by the symbol ∑.

Formula:
n ∑ x = (0+1+..+n) x=0
Example

Solve the Equation x2 and x=2 to 5

Given

Summation equation = x2 x=2 n=5

To Find

Summmation value

Solution

Subsitute the given values in following formula n ∑ x = (0+1+2+..+n) x=0 5 ∑ x2 = (22 + 32 + 42 + 52) x=2 5 ∑ x2 = 54 x=2 Therefore, Summation value = 54

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