In excel, SUM(number 1, [number 2], ...) is used to sum an array of cells, however, I'm trying to go back to the mathematical usage of summation:
n
Σ f(n) = f(1) + f(2) + ... + f(n-1) + f(n)
i = 1
I'm trying to use this to plug in values to a function such as PV(i%, n,, F) to sum present...