Written by Employs an index to select a value from an array or reference set.
Calculates the tangent of a complex number.
Calculates the sum of complex numbers.
Calculates the difference between two complex numbers.
Calculates the square root of a complex number.
Returns the hyperbolic sine of a complex number.
Returns the sine of a complex number.
Returns the hyperbolic secant of a complex number.
Computes the secant of a complex number
Returns the real part of a complex number.