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Formula Functions / Functions A to C / ACOSH
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    ACOSH
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    This function calculates the inverse hyperbolic cosine of the specified value.

    Syntax

    ACOSH(value)

    Arguments

    For the argument, you can specify any real number greater than or equal to 1.

    Remarks

    This function is the inverse of the hyperbolic cosine, so ACOSH(COSH(n)) gives the result n.

    Data Types

    Accepts numeric data. Returns numeric data.

    Examples

    ACOSH(B3)

    ACOSH(R3C2)

    ACOSH(1) gives the result 0

    ACOSH(10) gives the result 2.9932228461

    ACOS(R3C2)

    Version Available

    This function is available in product version 1.0 or later.

    See Also

    ACOS | ASINH | Math and Trigonometry Functions