# What is sigma in math?

When we need to sum up or add up large number or numbers, then we need the sigma in math. The Greek letter sigma is the Greek equivalent of the English letter ess is used to denote summations. You can find more information here: library.thinkquest.org
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 1. Write out the sigma equation for the equation (4 + 5x) from 1 to 6 by first drawing the symbol for sigma, placing 6 on top of the symbol and writing x = 1 beneath the symbol. This http://www.ehow.com/how_8242080_solve-sigma-math-e...
 summation it means the sum of all entities specified. like if is say 1i=10, i2=20, i3=30 then sigma i = 60 i.e.10+20+30) http://wiki.answers.com/Q/What_is_a_Sigma_in_math
 There are many situations in which we need to sum or add a large number of numbers. This http://www.chacha.com/question/how-is-sigma-used-i...
 The Greek letter Σ, sigma, is used in math and science to mean "the sum of. So Σn means add all the values of n. As given, there is not enough information as we do http://answers.yahoo.com/question/index?qid=201202...
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When we need to sum up or add up large number or numbers, then we need the sigma in math. The Greek letter sigma is the Greek equivalent of the English letter ...
1. Write out the sigma equation for the equation (4 + 5x) from 1 to 6 by first drawing the symbol for sigma, placing 6 on top of the symbol and writing x = 1 beneath ...
1. Write out the sigma equation for the equation (4 + 5x) from 1 to 6 by first drawing the symbol for sigma, placing 6 on top of the symbol and writing x = 1 beneath ...