Several numerical mathematical utilities. For example, utilities for solving the Quadratic, Cubic, and Quartic Equations; solving N Equations in N Unknowns; Eigenvalues and Eigenvectors; and more.
M. Creutz. (2005)cite arxiv:hep-lat/0511052
Comment: 10 pages, 6 figures. Contribution to "Sense of beauty in physics,"
26-27 Jan. 2006, Univ. Pisa. Revised version adds references and makes minor
clarifications.