Original file (587 × 1,000 pixels, file size: 47 KB, MIME type: image/jpeg)

Summary

Description

Sinclair Executive calculator.

Clever design of its electronics to reduce the power consumption allowed the use of button cells for the first time in a hand-held calculator, and gave a very thin design which was remarkable for the time.

Photograph taken by myself of a calculator in my collection.
Date 28 May 2007 (original upload date)
Source Transferred from en.wikipedia to Commons.
Author MaltaGC at English Wikipedia

Licensing

MaltaGC at the English-language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Attribution: MaltaGC
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This licensing tag was added to this file as part of the GFDL licensing update.
MaltaGC at the English Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2007-05-28 15:05 MaltaGC 587×1000×8 (48400 bytes) Sinclair Executive calculator. Clever design of its electronics to reduce the power consumption allowed the use of button cells for the first time in a hand-held calculator, and giving a very thin design which was remarkable for the time. Photograph tak

Captions

Sinclair Executive Calculator

Items portrayed in this file

depicts

copyright status

copyrighted

copyright license

GNU Free Documentation License, version 1.2 or later

Creative Commons Attribution-ShareAlike 3.0 Unported

inception

28 May 2007

media type

image/jpeg

File history

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Date/TimeThumbnailDimensionsUserComment
current10:26, 14 September 2007Thumbnail for version as of 10:26, 14 September 2007587 × 1,000 (47 KB)Liftarn{{Information |Description=Sinclair Executive calculator. Clever design of its electronics to reduce the power consumption allowed the use of button cells for the first time in a hand-held calculator, and gave a very thin design which was remarkable for

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Allikas: https://en.wikipedia.org/wiki/File:SinclairExecutive-01.jpg
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