Commute
131Southern Pacific Transportation Company — Infobox rail railroad name=Southern Pacific Transportation Company logo filename=SP logo.png logo size=150 marks=SP locale=Arizona, California, Louisiana, Nevada, New Mexico, Oregon, Texas,Utah, Colorado, Arkansas, Oklahoma, Kansas, Missouri,… …
132Symmetry of second derivatives — In mathematics, the symmetry of second derivatives (also called the equality of mixed partials) refers to the possibility of interchanging the order of taking partial derivatives of a function of n variables. If the partial derivative with… …
