Talk:e (mathematical constant)

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Good article E (mathematical constant) has been listed as one of the Mathematics good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it.
          This article is of interest to the following WikiProjects:
Wikipedia Version 1.0 Editorial Team / v0.7
WikiProject icon This article has been reviewed by the Version 1.0 Editorial Team.
Taskforce icon
This article has been selected for Version 0.7 and subsequent release versions of Wikipedia.
 GA  This article has been rated as GA-Class on the quality scale.
WikiProject Mathematics (Rated GA-class, Top-importance)
WikiProject Mathematics
This article is within the scope of WikiProject Mathematics, a collaborative effort to improve the coverage of Mathematics 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.
Mathematics rating:
GA Class
Top Importance
 Field: Basics
One of the 500 most frequently viewed mathematics articles.
A selected article on the Mathematics Portal.

Equality to Pi in the representing of the first dozens digits[edit]

Hello! In the entry of Pi in Wikipedia there is a representation of the first 100 (decimal) digits of Pi. When I tried to do the same for "e", and to enlarge its representation from 50 digits to 100, my edit was deleted due to "50 digits representation is too long already", in these words or similar words. And I want to ask - Is Pi more important or respected then e? Is its representation more important than of e? Is its accuracy more important in the real life, in science and in general perspective?

What is the law which determine 50 digits of e is too long but 100 digits of Pi is ok? Respectively yours,

Ram Zaltsman (talk) 09:11, 29 April 2014 (UTC)

First of all, the article pi also shows only 50 digits, as far as I can tell, and only a few in the actual lead of the article. In answer to the last question, as a general rule "too many" means enough to mess up line formats and navboxes on people with common browser configurations. The encyclopedia is meant to be read by human beings, so having massive numbers of digits is not really much of a consideration. Sławomir Biały (talk) 20:44, 3 October 2014 (UTC)

What a mess[edit]

It is hard to believe something as fundamental of the base of the natural logarithms could be so mangled in an article, both in presentation of content and equally as importantly, in prose style. The writing here is just horrible! There MUST be some way the editors of Wikipedia can at least have the fundamental articles held to higher standards. This is embarrassing for the entire project. Antimatter33 (talk) 10:57, 11 June 2014 (UTC)

Hope you got that off your chest. Now that you've vented, if you have any actual specific actionable complaints, please do share. --Trovatore (talk) 20:33, 11 June 2014 (UTC)


I thought e was a vowel. Here you're saying it's a constant instead. (talk) 20:28, 12 September 2014 (UTC)

constant not consonant.--JohnBlackburnewordsdeeds 21:15, 12 September 2014 (UTC)

Doubtful entry[edit]

There's a relatively new addition by an IP to the table of in the Known Digits section. Google turns up no results other than Wikipedia-related links for this supposed "David Galilei Natale" who discovered 1,048,576,000,000 digits in November. Should that entry be deleted? I tend to just make spelling corrections on here, so I'm not sure what exactly to do. Thanks. Airbag190 (talk) 04:57, 22 December 2014 (UTC)

If you cannot find a source, or the IP has not provided one, then yes, it should be removed. -- [[User:Edokter]] {{talk}} 12:39, 22 December 2014 (UTC)
I removed the entry, the doubtful entry was:
| 2014 November 15 ||align=right| 1,048,576,000,000 || David Galilei Natale .
I could not find any source (and it was relativly not much more digits than the previous entry either , just 5% more but that is a beside) WillemienH (talk) 21:50, 2 February 2015 (UTC)

Italic vs. Roman[edit]

I removed the following chuck of recently added text:

Although it is not uncommon to see e printed in italic type ("e"), according to the recommendations of standards bodies such as ISO, NIST and IUPAC, it should not be (because it represents a fundamental constant, not a variable), and rather should always be printed roman ("e").[1][2][3]

  1. ^ Mills, I. M.; Metanomski, W. V. (December 1999), On the use of italic and roman fonts for symbols in scientific text (PDF), IUPAC Interdivisional Committee on Nomenclature and Symbols, retrieved 9 November 2012 . This document was slightly revised in 2007 and full text included in the Guidelines For Drafting IUPAC Technical Reports And Recommendations and also in the 3rd edition of the IUPAC Green Book.
  2. ^ See also Typefaces for Symbols in Scientific Manuscripts, NIST, January 1998. This cites the family of ISO standards 31-0:1992 to 31-13:1992.
  3. ^ "More on Printing and Using Symbols and Numbers in Scientific and Technical Documents". Chapter 10 of NIST Special Publication 811 (SP 811): Guide for the Use of the International System of Units (SI). 2008 Edition, by Ambler Thompson and Barry N. Taylor. National Institute of Standards and Technology, Gaithersburg, MD, U.S.A.. March 2008. 76 pages. This cites the ISO standards 31-0:1992 and 31-11:1992, but notes "Currently ISO 31 is being revised [...]. The revised joint standards ISO/IEC 80000-1—ISO/IEC 80000-15 will supersede ISO 31-0:1992—ISO 31-13."

I find this rather opinionated and these references may be outdated, but they do state e should be roman and so may warrant a discussion here. -- [[User:Edokter]] {{talk}} 09:42, 20 February 2015 (UTC)

I agree that the text is problematic. For someone publishing a NIST document, one must obviously adhere to NIST standards. For someone publishing an AMS document, someone must adhere to those standards, etc. These standards are not the same. Contrary to what many believe, NIST does not actually dictate standards for all scientific best-practices. This is especially true of mathematics, which by necessity is rather flexible in the symbols that it uses. Overall such recommendations are irreflective of actual established practice in mathematics publishing. (More than that, in this case the recommendations do not even seem to be self-consistent: for example, in the IUPAC recommendation curl is bold-face but grad is standard face. Clearly mathematicians were not consulted in the preparation of these alleged "standards".) Sławomir Biały (talk) 11:24, 20 February 2015 (UTC)
WP obviously chooses its own conventions (MOS), as it should. Agreed, such a recommendation does not belong. However, a section about notations that occur in general, and which bodies recommend/mandate each notation would not be out of place. The arguments advanced by the references are not without merit, but these should be reported and not adopted as a recommendation in a WP article. —Quondum 18:19, 20 February 2015 (UTC)