1. How to Use the Sigma Symbol (Σ) on a Calculator
The Greek letter sigma (Σ) is used to indicate summation in arithmetic. This image represents the sum of a collection of numbers or phrases. The most typical utilization of summation is within the type of the sigma notation, which is $sumlimits_{i=1}^n = a_i $. This notation means so as to add up all of the … Read more
