Editing Hyperreal number (section)

== Further reading ==
* {{citation | last = Ball | first = W.W. Rouse | author-link = W. W. Rouse Ball | title = A Short Account of the History of Mathematics | url = https://archive.org/details/shortaccountofhi0000ball/page/50 | edition = 4th ed. [Reprint. Original publication: London: Macmillan & Co., 1908] | year = 1960 | publisher = Dover Publications | location = New York | isbn = 0-486-20630-0 | pages = [https://archive.org/details/shortaccountofhi0000ball/page/50 50–62] }}
* Hatcher, William S. (1982) "Calculus is Algebra", [[American Mathematical Monthly]] 89: 362&ndash;370.
* Hewitt, Edwin (1948) [https://web.archive.org/web/20190724214301/http://www-math.bgsu.edu/~warrenb/Courses/Research/mtop/hewitt.pdf Rings of real-valued continuous functions]. I. Trans. Amer. Math. Soc. 64, 45—99.
* {{citation | last1=Jerison | first1=Meyer | last2=Gillman | first2=Leonard | title=Rings of continuous functions | publisher=[[Springer-Verlag]] | location=Berlin, New York | isbn=978-0-387-90198-5 | year=1976}}
*Keisler, H. Jerome (1994) The hyperreal line. Real numbers, generalizations of the reals, and theories of continua, 207—237, Synthese Lib., 242, Kluwer Acad. Publ., Dordrecht.
* {{citation | last1=Kleinberg | first1=Eugene M. | last2=Henle | first2=James M. | title=Infinitesimal Calculus | publisher=[[Dover Publications]] | location=New York | isbn=978-0-486-42886-4 | year=2003}}