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# ASINH function

This article describes the formula syntax and usage of the ASINH function in Microsoft Excel.

## Description

Returns the inverse hyperbolic sine of a number. The inverse hyperbolic sine is the value whose hyperbolic sine is number, so ASINH(SINH(number)) equals number.

## Syntax

ASINH(number)

The ASINH function syntax has the following arguments:

• Number    Required. Any real number.

## Example

Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.

 Formula Description Result =ASINH(-2.5) Inverse hyperbolic sine of -2.5 -1.647231146 =ASINH(10) Inverse hyperbolic sine of 10 2.99822295

Applies To: Excel 2016, Excel 2010, Excel Starter, Excel 2013, Excel Online, Excel 2016 for Mac, Excel for Mac 2011, Excel 2007

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