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MS Excel: ACosh Function


In Excel, the ACosh function returns the inverse hyperbolic cosine of a number.

The syntax for the ACosh function is:

ACosh( number )

number is a number greater than or equal to 1.


Applies To:

  • Excel 2007, Excel 2003, Excel XP, Excel 2000

For example:

Let's take a look at an example:

Based on the Excel spreadsheet above:

=ACosh(A1) would return 0
=ACosh(A2) would return 0.96242365
=ACosh(A3) would return 2.633915794
=ACosh(20.76) would return 3.725594657