Math & Trig
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=ATANH()
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.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=ATANH(number)
Hover argument names in the table for details.
Output typeNumber
Popularity30 / 100
VolatileNo
Dynamic ArrayNo
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
number |
Number | Required | Any real number between 1 and -1. |
▣ Examples
Inverse hyperbolic tangent of 0.76159416
=ATANH(0.76159416)
Result:
1.00000001
Example 2
=ATANH(-0.1)
Result:
-0.100335348
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