## SERIESSUM function: Description, Usage, Syntax, Examples and Explanation

What is SERIESSUM function in Excel? SERIESSUM function is one of the Math and Trig functions in Microsoft Excel that returns the sum of a power series based on the formula: Many functions can be approximated by a power series expansion. Syntax of SERIESSUM function SERIESSUM(x, n, m, coefficients) The SERIESSUM function syntax has the following …