Talk:Zacharias Dase

	Biography portal This article is within the scope of WikiProject Biography, a collaborative effort to create, develop and organize Wikipedia's articles about people. All interested editors are invited to join the project and contribute to the discussion. For instructions on how to use this banner, please refer to the documentation.BiographyWikipedia:WikiProject BiographyTemplate:WikiProject Biographybiography articles
	This article is supported by the science and academia work group.

	Education portal This article is within the scope of WikiProject Education, a collaborative effort to improve the coverage of education and education-related topics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.EducationWikipedia:WikiProject EducationTemplate:WikiProject Educationeducation articles
???	This article has not yet received a rating on the project's importance scale.

Subitizing?

Latest comment: 14 years ago1 comment1 person in discussion

I must have read about Dase from the Gödel, Escher, Bach book; I've always been impressed. I'm led to believe that the skill described as an "uncanny sense of quantity" is what I just read about, a process called subitizing. 70.247.160.102 (talk) 06:08, 21 February 2010 (UTC)Reply

Latest comment: 13 years ago1 comment1 person in discussion

This page says that he didn't calculate pi mentally. This is a common assumption. http://www.mentalcalculation.com/calculators/Johann_Dase.htm — Preceding unsigned comment added by 81.178.22.82 (talk) 14:40, 12 July 2011 (UTC)Reply