1.a group of symbols that make a mathematical statement
2.directions for making something
3.a conventionalized statement expressing some fundamental principle
4.a representation of a substance using symbols for its constituent elements
5.something regarded as a normative example;
the convention of not naming the main character
6.a liquid food for infants
7.(mathematics) a standard procedure for solving a class of mathematical problems;
he determined the upper bound with Descartes' rule of signs