Returns the inverse hyperbolic tangent of a number. Number must be between -1 and 1 (excluding -1 and 1). The inverse hyperbolic tangent is the value whose hyperbolic tangent is number, so ATANH(TANH(number)) equals number.
Syntax
ATANH(number)
Number is any real number between 1 and -1.
Example
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How to copy an example
- Create a blank workbook or worksheet.
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Selecting an example from Help
- Press CTRL+C.
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| A |
B |
| Formula |
Description (Result) |
| =ATANH(0.76159416) |
Inverse hyperbolic tangent of 0.76159416 (1, approximately) |
| =ATANH(-0.1) |
Inverse hyperbolic tangent of -0.1 (-0.10034) |
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