SinclairExecutive-01.jpg


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
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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

28 May 2007

image/jpeg