Special FunctionsΒΆ Real Trig Functions Real trig functions (x=0) sin0() cos0() tan0() Real trig functions sin() cos() tan() Complex Trig Functions Complex trig functions (z = 0) csin0() ccos0() ctan0() Complex trig functions csin() ccos() ctan() Exponential Functions Exponential functions exp0() exp() cexp0() cexp() Gamma Function Gamma function gamma() gamma_real()