New THE MATHEMATICA JOURNAL article:
 
Part I: Manipulating, Evaluating and Factoring
by M. IRENE FALCÃO, FERNANDO MIRANDA, RICARDO SEVERINO, M. JOANA SOARES
 
ABSTRACT: This article discusses a recently developed Mathematica tool  QPolynomial  a collection of functions for manipulating, evaluating and factoring quaternionic polynomials. QPolynomial relies on the package QuaternionAnalysis, which is available for download at w3.math.uminho.pt/QuaternionAnalysis.
 
