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About: Performing mental calculations

Module by: Siyavula Uploaders. E-mail the author

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Name: Performing mental calculations
ID: m21082
Language: English (en)
Subject: Mathematics and Statistics
License: Creative Commons Attribution License CC-BY 3.0

Authors: Siyavula Uploaders (
Copyright Holders: Siyavula Uploaders (
Maintainers: Siyavula Uploaders (

Latest version: 1.1 (history)
First publication date: Mar 28, 2009 5:07 am +0000
Last revision to module: Mar 28, 2009 5:09 am +0000


PDF: m21082_1.1.pdf PDF file, for viewing content offline and printing. Learn more.
XML: m21082_1.1.cnxml XML that defines the structure and contents of the module, minus any included media files. Can be reimported in the editing interface. Learn more.

Version History

Version: 1.1 Mar 28, 2009 5:09 am +0000 by Siyavula Uploaders
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How to Reuse and Attribute This Content

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If you reuse this work elsewhere, in order to comply with the attribution requirements of the license (CC-BY 3.0), you must include

  • the authors' names: Siyavula Uploader
  • the title of the work: Performing mental calculations
  • the OpenStax-CNX URL where the work can be found:

See the citation section below for examples you can copy.

How to Cite and Attribute This Content

The following citation styles comply with the attribution requirements for the license (CC-BY 3.0) of this work:

American Chemical Society (ACS) Style Guide:

Uploader, S. Performing mental calculations, OpenStax-CNX Web site., Mar 28, 2009.

American Medical Assocation (AMA) Manual of Style:

Uploader S. Performing mental calculations [OpenStax-CNX Web site]. March 28, 2009. Available at:

American Psychological Assocation (APA) Publication Manual:

Uploader, S. (2009, March 28). Performing mental calculations. Retrieved from the OpenStax-CNX Web site:

Chicago Manual of Style (Bibliography):

Uploader, Siyavula. "Performing mental calculations." OpenStax-CNX. March 28, 2009.

Chicago Manual of Style (Note):

Siyavula Uploader, "Performing mental calculations," OpenStax-CNX, March 28, 2009,

Chicago Manual of Style (Reference, in Author-Date style):

Uploader, S. 2009. Performing mental calculations. OpenStax-CNX, March 28, 2009.

Modern Languages Association (MLA) Style Manual:

Uploader, Siyavula. Performing mental calculations. OpenStax-CNX. 28 Mar. 2009 <>.