## $tanh » History » Version 1

*Per Amundsen, 08/11/2015 06:49 AM *

1 | 1 | Per Amundsen | _Added in 1.9.3_ |
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3 | *$tanh(N)* |
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5 | Return the "hyperbolic tangent":https://en.wikipedia.org/wiki/Hyperbolic_function of N. |
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7 | *Parameters* |
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9 | N - N - The number. _(N is a double number)_ |
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11 | *Properties* |
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13 | .deg - Returns the degree instead of angle. |