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SpreadJS Documentation / Formula Reference / Formula Functions / BESSELI
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    BESSELI
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    This function calculates the modified Bessel function of the first kind evaluated for purely imaginary arguments.

    Syntax

    BESSELI(value,order)

    Arguments

    This function has these arguments:

    Argument Description
    value Value at which to evaluate the function
    order Number representing the order of the function; if it is not an integer, it is truncated

    Remarks

    If value or order is nonnumeric then a #Value! error is returned. If order is less than 0 then the #NUM! error is returned.

    Data Types

    Accepts numeric data for both arguments. Returns numeric data.

    Examples

    BESSELI(A4,D5)

    BESSELI(R4C1,R5C4)

    BESSELI(1.8,2) gives the result 0.5260402117

    See Also