Sigma Notation | Calculus I - Lumen Learning
https://courses.lumenlearning.com/calculus1/chapter/sigma-summation-notation/
WEBTo make it easier to write down these lengthy sums, we look at some new notation here, called sigma notation (also known as summation notation). The Greek capital letter [latex]\Sigma[/latex], sigma, is used to express long sums of values in a compact form.
DA: 49 PA: 91 MOZ Rank: 6