Symbol Math Sigma

For k 12 kids teachers and parents.

Symbol math sigma. Mathematics sum of divisors. σίγμα is the eighteenth letter of the greek alphabet in the system of greek numerals it has a value of 200 in general mathematics uppercase is used as an operator for summation when used at the end of a letter case word one that does not use all caps the final form ς is used. As is the case with most of the other alphabets even english for that matter two different symbols are used to represent sigma in uppercase and lowercase respectively. Spatial databases the select operation.

Being the eighteenth letter in the greek alphabet sigma comes right after the letter rho and is followed by tau. So the notation can be helpful in writing long sums in much a much shorter and clearer way. Math explained in easy language plus puzzles games quizzes worksheets and a forum. The sigma symbol in math appears when we want to use sigma notation.

σ this symbol called sigma means sum up i love sigma it is fun to use and can do many clever things. Sigma notation is used in math usually when one wants to represent a situation where a number of terms are to be added up and summed. Sigma ˈ s ɪ ɡ m ə uppercase σ lowercase σ lowercase in word final position ς. What is the sigma symbol.

σ mathematics statistics standard deviation.