An Introduction to Ordinary Differential Equations and advanced dynamic principles feature

and advanced dynamic principles feature easy-to-understand examples

Change of a Variable

" Each of these sections offers a step-by-step explanation of concepts and then tests the student's understanding with exercises and problems

books on historical methods

a group of Philadelphia abolitionists dedicated to assisting runaway slaves in their flight to freedom formed a new assistance group to be part of the Underground Railroad—the General Vigilance Committee

An Introduction to Ordinary Differential Equations and advanced dynamic principles feature"Written in an admirably cleancut and economical style." Mathematical Reviews. This concise text offers undergraduates in mathematics and science a thorough and systematic first course in elementary differential equations. Presuming a knowledge of basic calculus, the book first reviews the mathematical essentials required to master the materials to be presented. The next four chapters take up linear equations, those of the first order and those with