James McWhinney is a long-tenured Investopedia contributor and an expert on personal finance and investing. With over 25 years of experience as a full-time communications professional, James writes ...

Bicomplex analysis, an extension of traditional complex analysis, investigates functions defined on bicomplex numbers – entities formed by a pair of complex units. This framework enriches classical ...

Real analysis: inequalities, the continuum property, induction, sequences, functions and limits, continuity, contraction mappings and fixed points, differentiation, mean value theorems and Taylor's ...