Elementary special functions Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! Absolute values “ Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Logarithm Square root “ Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Sigmoid function Pages in category "Elementary special functions" The following 4 pages are in this category, out of 4 total. A Absolute valuesL LogarithmS Sigmoid functionSquare root Retrieved from "http://psychology.wikia.com/wiki/Category:Elementary_special_functions"