This is one of the most important and influential books on Calculus ever written.
We especially want to thank Marvin Jay Greenberg, Emeritus Professor of Mathematics, University of California at Santa Cruz, for his Appendix on Infinitesimals, which includes recent discoveries on Hyperreals and Nilpotent Infinitesimals, and for hi.
It has been reprinted more than twenty times and translated into several other languages, including Russian, and published in the Soviet Union and many other places.
This is one of the most important and influential books on Calculus ever written