Calculate the Bessel function.

`BESSELY(X, N)`

- x - the value to evaluate the function on
- n - a numeric value

`=BESSELY(2.6, 1)`

The BESSELY function returns the Bessel function at a given point. This can be represented in the Sourcetable formula above where x is the given point and n is the numeric value which would result in the integer 0.1883635

The BESSELY function calculates a Bessel function, also known as the Weber function or the Neumann function. It will return an error value if x or n is not numeric and a #NUM! error if n is negative.

- The Bessel function, also known as the Weber function or Neumann function, is used to calculate a Bessel function of a variable.
- The Bessel function returns a #VALUE! error if either argument is not a number.
- The Bessel function throws the #NUM! error if n is negative.

The BESSELY function is a mathematical equation used to calculate the Bessel function of a variable. It is also known as the Weber function or the Neumann function.

BESSELY will throw the following errors:

- #VALUE! error if the x argument is not a number
- #VALUE! error if the n argument is not a number
- #NUM! error if the n argument is negative

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