SERIESSUM
Category: Mathematical Function.
Description: Returns the sum of a power series.
Syntax: SERIESSUM(x, n, m, coefficients)
The SERIESSUM function syntax has the following arguments:
X: input value to the power series.
N: initial power to which you want to raise x.
M: step by which to increase n for each term in the series.
Coefficients: set of coefficients by which each successive power of x is multiplied.
The number of values in coefficients determines the number of terms in the power series.