Sentence Examples


  • In the preface to the appendix containing the local arithmetic he states that, while devoting all his leisure to the invention of these abbreviations of calculation, and to examining by what methods the toil of calculation might be removed, in addition to the logarithms, rabdologia and promptuary, he had hit upon a certain tabular arithmetic, whereby the more troublesome operations of common arithmetic are performed on an abacus or chess-board, and which may be regarded as an amusement A facsimile of this document is given by Mark Napier in his Memoirs of John Napier (1834), p. 248.
  • In his large study, the walls of which were hung to the ceiling with Persian rugs, bearskins, and weapons, sat Dolokhov in a traveling cloak and high boots, at an open desk on which lay an abacus and some bundles of paper money.
  • Abacus chosen for Nottinghamshire Portal October 2003 The Nottinghamshire Partnership has selected Abacus e-Media to supply and develop the County 's web portal.
  • I have never known so exactly This abacus of days. This withdrawal.
  • Childrens Abacus £ 17.99 US$35.08 E27.88 Wooden abacus with colorful counting beads.

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Words near abacus in the dictionary