👉 Summas, also known as sums or totals, are a method used to calculate the total of an array of numbers. It is often used in programming and data analysis to determine the average value of a set of numbers. In simple terms, a summa is simply the addition of all the values in a set of numbers. For example, if you have a list of numbers [1, 2, 3, 4, 5], the summa would be calculated as follows: