Epsilon, Calculus, Augustin-Louis Cauchy, Isaac Newton, Gottfried Wilhelm Leibniz
This paper recounts the history of how calculus came to get a rigorous basis in terms of the algebra of inequalities. The result is a brief history of the 150 years from Newton and Leibniz to Cauchy that produced the foundations of analysis.
© 1983 Mathematical Association of America. All Rights Reserved.
Grabiner, Judith V. "Who Gave You the Epsilon? The Origins of Cauchy's Rigorous Calculus." The American Mathematical Monthly 90.3 (March 1983): 185-194.