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File:SinclairExecutive-01.jpg

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Original file ‎(587 × 1,000 pixels, file size: 47 KB, MIME type: image/jpeg)
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 (original upload date)
Source Transferred from en.wikipedia to Commons.
Author MaltaGC at English Wikipedia

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MaltaGC at the English language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
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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.

Original upload log[edit]

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

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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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