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abacus    音标拼音: ['æbəkəs]
n. 算盘

算盘

abacus
n 1: a tablet placed horizontally on top of the capital of a
column as an aid in supporting the architrave
2: a calculator that performs arithmetic functions by manually
sliding counters on rods or in grooves

Abacus \Ab"a*cus\ ([a^]b"[.a]*k[u^]s), n.; E. pl. {Abacuses}; L.
pl. {Abaci} (-s[imac]). [L. abacus, abax, Gr. 'a`bax]
1. A table or tray strewn with sand, anciently used for
drawing, calculating, etc. [Obs.]
[1913 Webster]

2. A calculating table or frame; an instrument for performing
arithmetical calculations by balls sliding on wires, or
counters in grooves, the lowest line representing units,
the second line, tens, etc. It is still employed in China.
[1913 Webster]

3. (Arch.)
(a) The uppermost member or division of the capital of a
column, immediately under the architrave. See
{Column}.
(b) A tablet, panel, or compartment in ornamented or
mosaic work.
[1913 Webster]

4. A board, tray, or table, divided into perforated
compartments, for holding cups, bottles, or the like; a
kind of cupboard, buffet, or sideboard.
[1913 Webster]

{Abacus harmonicus} (Mus.), an ancient diagram showing the
structure and disposition of the keys of an instrument.
--Crabb.
[1913 Webster]

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  • Abacus - Wikipedia
    Abacus-based mental calculation (AMC), which was derived from the abacus, is the act of performing calculations, including addition, subtraction, multiplication, and division, in the mind by manipulating an imagined abacus
  • How to Use an Abacus (with Pictures) - wikiHow
    The abacus (the suanpan is the most useful variety) is a deceptively simple calculating tool still used all over the world It's a useful learning device for the visually impaired, as well as for anyone who wants to learn the roots of the modern calculator
  • What Is an Abacus? - Computer Hope
    Alternatively called a counting board or counting frame, an abacus is a mechanical device used to assist a person in performing mathematical calculations and counting Different countries may call an abacus by a different name For example, an abacus of Chinese origin is called a suanpan or souanpan Who built the first abacus?
  • Abacus - New World Encyclopedia
    An abacus (plurals abacuses or abaci), also called a counting frame, is a calculating tool for performing arithmetical processes, often constructed as a wooden frame with beads sliding on wires
  • The Abacus and the Numeral Frame - National Museum of American History
    The abacus is a computing device on which arithmetic calculations are performed by sliding counters (beads, pebbles, or flat discs) along rods, wires or lines The instrument may have originated in the Middle East before the time of Christ
  • Abacus Bank | Abacus Federal Saving Bank
    Abacus Bank will NEVER request through email, text, or unsolicited phone call your bank card number, account number, Social Security number, Personal Identification number (PIN) or password Please be aware that scammers can copy our phone number to make themselves look legitimate
  • Abacus | Definition, History, Origin, Facts | Britannica
    Abacus, calculating device, probably of Babylonian origin, that was long important in commerce It is the ancestor of the modern calculating machine and computer The abacus was in universal use in Europe in the Middle Ages, as well as in the Arab world and in Asia
  • ABACUS Definition Meaning - Merriam-Webster
    Probably of Babylonian origin, an abacus is a calculating instrument that uses beads that slide along a series of wires or rods set in a frame to represent the decimal places It is the ancestor of the modern digital calculator
  • Abacus | Encyclopedia. com
    The abacus, an ancient calculating device, probably originated in Babylon around 2400 B C E as a "counting box " It was the world's first calculator, and contemporary versions are still in use today
  • Abacus - Math. net
    An abacus, also referred to as a counting frame, is a device used to perform calculations Abaci (or abacuses) can be used to teach arithmetic, perform practical calculations, and more





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