Changeset 124 in t29-www for en/computer/analog.shtm


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Timestamp:
Nov 13, 2009, 12:27:02 AM (14 years ago)
Author:
sven
Message:

Englische Uebersetzung groesstenteils synchronisiert:

  • Tabelliermaschine, GAMMA 3, GAMMA 10: Seite geteilt wie im deutschen, Uebersetzung synchronisiert
  • news: angepasst
  • verschiedentlich andere Uebersetzungsanpassungen.

-- Sven @ workstation

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1 edited

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  • en/computer/analog.shtm

    r93 r124  
    172172             This computer was built in the early 1970s and was priced at 80.000 DM (about 40.000 euro/dollar)
    173173         </p>
     174         <div class="clear"></div>
    174175    </div>
     176
     177    <div class="box center">
     178        <h3 class="center">(Cylindrical) slide rules</h3>
     179         <img src="/shared/photos/rechnertechnik/rechenschieber.jpg"
     180          alt="Slide rule (slipstick) and Cylindrical slide rule" width="694" height="161"/>
     181         <p class="bildtext">
     182             Last but not least a mechanical analog computer that was used up to
     183             the 1970s for scientific calculations without hand and desk calculators.
     184             <br/>The picture above displays a 1.8m long demo slide rule
     185             made of wood (1950s) that was used in schools for students since the
     186             10th grade. Compared to hand calculators, these analog computers
     187             also had some advantages: Students could not give absurd computing
     188             precisions, these "computers" were cheap and quite fast. The big
     189             disadvantage was that adding and subtracting was not possible at all.
     190             <br/>To get higher precisions in the 1920s, there was this
     191             "Cylindrical slide rule". This 60cm NESTLER device can be compared
     192             to an ordinary slide rule measuring 12.50m.
     193          </p>
     194     </div>
    175195
    176196</div><!-- end of content -->
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