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Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

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Dies ist eine Überschrift für die Tabelle
Serial No. Year of Manufacture Type Language Capacity Owner Country Additional Information
1075 1892 Odhner & Hill Russian 9x8x13 Science Museum Liekki, University of Helsinki (Finland) Finland Langer, langer Text A picture of the machine was published in the book "Odhners Historia", written by Henry Wassen in 1945. The machine was in the possessionthe Odhner family until the 1950s.
2052 1234 Odhner Russian 9 x 8 x 15 Sold at Breker auction in Cologne in 2021 ? The cover plate has black finish.
2345 1892 Odhner & Hill Russian 9 x 8 x 13 Science Museum Liekki, University of Helsinki (Finland) Finland Langer, langer Text A picture of the machine was published in the book "Odhners Historia", written by Henry Wassen in 1945. The machine was in the possessionthe Odhner family until the 1950s.
3456 1892 Odhner & Hill Russian 9 x 8 x 13 Science Museum Liekki, University of Helsinki (Finland) Finland Langer, langer Text A picture of the machine was published in the book "Odhners Historia", written by Henry Wassen in 1945. The machine was in the possessionthe Odhner family until the 1950s.

Buchstabe Operator Abkürzung von Argumente Verknüpfung
K \wedge Konjunktion 2 und
A \or Alternative 2 oder
C \rightarrow Conditional 2 wenn, dann
E \leftrightarrow Equivalenz 2 genau dann, wenn
N \neg Negation 1 nicht