This article describes the formula syntax and usage of the ACOSHfunction in Microsoft Excel.
Returns the inverse hyperbolic cosine of a number. Number must be greater than or equal to 1. The inverse hyperbolic cosine is the value whose hyperbolic cosine is number, so ACOSH(COSH(number)) equals number.
The ACOSH function syntax has the following arguments:
Number Required. Any real number equal to or greater than 1.
The example may be easier to understand if you copy it to a blank worksheet.
How do I copy an example?
Select the example in this article.
Important Do not select the row or column headers.
Selecting an example from Help
In Excel, create a blank workbook or worksheet.
In the worksheet, select cell A1, and press CTRL+V.
Important For the example to work properly, you must paste it into cell A1 of the worksheet.
To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.
After you copy the example to a blank worksheet, you can adapt it to suit your needs.