👉 The term "summational" in mathematics refers to a function that takes an input argument and returns a value. A summation is defined as the sum of all values from one to another, which can be expressed mathematically as: 1 + 2 + 3 + ... + n = n(n+1)/2 This formula represents the arithmetic sequence where each term after the first is equal to half the previous term plus one. The summation function sums up these terms for a given