Applies ToSharePoint Server-Abonnementedition SharePoint Server 2019 Microsoft Office SharePoint Online Server 2016 SharePoint Server 2013 Microsoft Office SharePoint Online Server 2013 Enterprise SharePoint in Microsoft 365 Microsoft Office SharePoint Online Foundation 2010 Microsoft Office SharePoint Online Server 2010 SharePoint in Microsoft 365 Small Business Windows SharePoint Services 3.0

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.

Syntax

ACOSH(number)

Number     is any real number equal to or greater than 1.

Examples

Formula

Description (Result)

=ACOSH(1)

Inverse hyperbolic cosine of 1 (0)

=ACOSH(10)

Inverse hyperbolic cosine of 10 (2.993223)

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