University of St. Andrews (UK)
University of St. Andrews: Antoine Arnauld
Brief biographical entry on Arnauld and his theological disagreements with his contemporaries.
University of St. Andrews (UK)
University of St. Andrews: Matrices and Determinants
This resource explains determinants as related to mathematics and the history of determinants.
University of St. Andrews (UK)
University of St. Andrews: History of the Matrix
This educational site from the University of St. Andrews contains information regarding the origins of the matrix. Some samples of the types of matrices used back in the earlier days are provided.