[ahmed-tarek]

الكتاب الاول
Elementary Calculus: An Approach Using Infinitesimals

Copyright 2000 by H. Jerome Keisler

http://www.math.wisc.edu/~keisler/calc.html

الكتاب الثانى
A Brief Introduction to Infinitesimal Calculus

By Stroyan

http://www.math.uiowa.edu/~stroyan/I...InfsmlCalc.htm