This article will describe a writing assignment designed for use in a liberal arts college whose mission stresses effective written communication both within and across disciplines. In this assignment, students write three separate solutions to the same mathematics problem: one for a mathematical peer, a second for a contemporary that does not…

Presented is a guide for undergraduate mathematical composition with emphases on explicit and clear definitions, purposeful formatting with regard to technical conventions, and proper style with respect to content and prospective audience. Numerous examples are included, particularly those involving complicated mathematical expressions. (JJK)