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Hyperbolic
Trigonometry
The hyperbolic trigonometry functions can also take complex
numbers as arguments.
ACOSH
Inverse hyperbolic cosine: cosh'r.
ACOsm value)
ALOG
Antilogarithm (exponential). This is more accurate than 10''x
due to limitations of the power function.
ALOG [value]
ASINH
Inverse hyperbolic sine : sinh''x.
ASINH (ua/ue)
ATANH
Inverse hyperbolic tangent: tanh~'x. If the input is ± 1, an
Infinite Result occurs.
ATANH (ufl/ue)
COSH
Hyperbolic cosine: (e'4€^')/2.
COSH (value)
SINH
Hyperbolic sine.
SlNH(oa/«e)
TANH
Hyperbolic tangent.
TANH(wa/iie)
EXP Natural exponential. This is more accurate than e''x due to
limitations of the power function.
EXP (value)
EXPMl
Exponent minus 1 : e'-1. This is more accurate than EXP when
X is close to zero.
EXPMl (value)
LNPl Natural log plus 1 : ln(x+l). This is more accurate than LN
when X is close to zero.
LNPl (value)
Mathematical Calculations 2-19