File:Charade -36 answer (139656217).jpg
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| Description | My British Thornton AA010 Comprehensive slide rule. It is comprehensive - there are as many scales again on the back. This was the business back in about 1973. Then in about 1974 Hewlett-Packard launched the HP-35 and the world changed. My first calculator was a Sinclair Scientific - only accurate to 5 figures in the trig and log functions, but that's better than 3 figures from a slide rule. I replaced that with an HP-25 when I went up to university - that cost £90, which was a small fortune to me at the time. Then I had an HP-11C which lasted a long time, and then an HP-42S which I have had since 1989 and is still going strong; if the 42S won't do the job I need a computer. Since then Excel, MatLab and Mathematica on the PC have changed the world yet again... |
| Date | |
| Source | charade #36 answer |
| Author | Andy / Andrew Fogg from near Cambridge, UK |
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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by ndrwfgg at https://flickr.com/photos/69024001@N00/139656217. It was reviewed on 19 August 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 02:05, 19 August 2023 | | 3,456 × 2,304 (3.33 MB) | Fabe56 (talk | contribs) | Transferred from Flickr via #flickr2commons |
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