The term “whole number” is informal, and typically refers to a positive integer. Some may also apply the term to zero, or even to the negative integers. The idea is that the number referred to doesn’t have a fractional or decimal part.
- [MLA] “whole number.” Platonic Realms Interactive Mathematics Encyclopedia. Platonic Realms, 10 Apr 2014. Web. 23 Apr 2018. <http://platonicrealms.com/>
- [APA] whole number (10 Apr 2014). Retrieved 23 Apr 2018 from the Platonic Realms Interactive Mathematics Encyclopedia: http://platonicrealms.com/encyclopedia/whole-number/