# Documentation/Calc Functions/ASINH

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## Function name:

ASINH

## Category:

Mathematical

## Summary:

Returns the inverse hyperbolic sine of a number.

## Syntax:

ASINH(**Number**)

## Returns:

This function returns the inverse hyperbolic sine of **Number**, that is the value whose hyperbolic sine is **Number**. The resultant value ranges from -∞ and +∞, i.e. (-∞,+∞).

## Arguments:

**Number** is the real number, or a reference to a cell containing that number whose inverse hyperbolic sine value is to be calculated.

## Additional details:

The formula for ASINH function is:

where N is the **Number**

The GIF below illustrates the function ASINH.

## Examples:

Formula | Description | Returns |
---|---|---|

=ASINH(-90) | Inverse hyperbolic sine of -90. | -5.1929877 |

=ASINH(SINH(4)) | Inverse hyperbolic sine of hyperbolic sine of 4. | 4 |

=ASINH(0.5) | Inverse hyperbolic sine of 0.5. | 0.481211825059603 |

## Related LibreOffice functions:

## ODF standard:

## Equivalent Excel functions:

ASINH