# BesselI function

## Description

BESSELI(x,n) returns the modified Bessel function of first 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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BESSELI(x,n) returns the modified Bessel function of first 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.