Difference between revisions of "Documentation/How Tos/Calc: ATANH function"
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== ATANH == | == ATANH == | ||
Returns the inverse hyperbolic tangent of a number. | Returns the inverse hyperbolic tangent of a number. | ||
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=== Syntax: === | === Syntax: === | ||
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:<tt>'''number'''</tt> must obey the condition <tt>'''-1'''</tt><nowiki> < </nowiki><tt>'''number'''</tt><nowiki> < </nowiki><tt>'''1'''</tt>. | :<tt>'''number'''</tt> must obey the condition <tt>'''-1'''</tt><nowiki> < </nowiki><tt>'''number'''</tt><nowiki> < </nowiki><tt>'''1'''</tt>. | ||
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=== Example: === | === Example: === | ||
<tt>'''ATANH(0)'''</tt> | <tt>'''ATANH(0)'''</tt> | ||
: returns <tt>'''0'''</tt>. | : returns <tt>'''0'''</tt>. | ||
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=== See also: === | === See also: === | ||
Revision as of 06:37, 2 March 2008
ATANH
Returns the inverse hyperbolic tangent of a number.
Syntax:
ATANH(number)
- returns the inverse hyperbolic tangent of number, in other words the number whose hyperbolic tangent is number.
- number must obey the condition -1 < number < 1.
Example:
ATANH(0)
- returns 0.
