Difference between revisions of "Abacus"
From Encyclopedia of Mathematics
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| − | A calculating frame used for arithmetical calculations in ancient Greece, ancient Rome and later, up to the 18th century, in Western Europe. The frame was subdivided into strips, inside which the counters (bones, pebbles, etc.) were moved. The Chinese equivalent of the abacus — swan-pan — was used in the Far East, while the | + | A calculating frame used for arithmetical calculations in ancient Greece, ancient Rome and later, up to the 18th century, in Western Europe. The frame was subdivided into strips, inside which the counters (bones, pebbles, etc.) were moved. The Chinese equivalent of the abacus — swan-pan — was used in the Far East, while the "schetyschety" was employed in Russia. |
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| + | In nomography, an abacus is a special sketch (the so-called net chart nomogram). | ||
====References==== | ====References==== | ||
| − | <table><TR><TD valign="top">[a1]</TD> <TD valign="top"> | + | <table> |
| + | <TR><TD valign="top">[a1]</TD> <TD valign="top"> W.W. Rouse Ball, "A short account of the history of mathematics", Dover, reprint (1960) pp. 123–125</TD></TR> | ||
| + | </table> | ||
Latest revision as of 06:02, 26 May 2024
A calculating frame used for arithmetical calculations in ancient Greece, ancient Rome and later, up to the 18th century, in Western Europe. The frame was subdivided into strips, inside which the counters (bones, pebbles, etc.) were moved. The Chinese equivalent of the abacus — swan-pan — was used in the Far East, while the "schetyschety" was employed in Russia.
In nomography, an abacus is a special sketch (the so-called net chart nomogram).
References
| [a1] | W.W. Rouse Ball, "A short account of the history of mathematics", Dover, reprint (1960) pp. 123–125 |
How to Cite This Entry:
Abacus. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Abacus&oldid=55791
Abacus. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Abacus&oldid=55791
This article was adapted from an original article by BSE-3 (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article