Represent a number which does not exists.
Number * ArcHaVerCosine()
Number * ArcCoVerCosine()
Number(NumberSystem system)
Number * ArcHaCoVerSine()
Number * Div(Number *other)
NonNumber(NonNumberType type)
Number * Tangent()
Trigonometric tangent function.
Number * Raise(Number *exponent)
Number * HypArcCotangent()
Number * Sub(Number *other)
Number * HypArcCosecant()
Number * ArcHaCoVerCosine()
Number * Mul(Number *other)
int GetDefaultPrecedence()
Number * Add(Number *other)