# BesselK function

## Description

BESSELK(x,n) returns the modified Bessel function of second kind. X is the value at which to evaluate the function, and n is the order of the Bessel function. If n is not an integer, it is truncated.

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BESSELK(x,n) returns the modified Bessel function of second kind. X is the value at which to evaluate the function, and n is the order of the Bessel function. If n is not an integer, it is truncated.