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  2. Soroban - Wikipedia

    en.wikipedia.org/wiki/Soroban

    A suanpan (top) and a soroban (bottom). The two abaci seen here are of standard size and have thirteen rods each. Another variant of soroban. The soroban is composed of an odd number of columns or rods, each having beads: one separate bead having a value of five, called go-dama (五玉, ごだま, "five-bead") and four beads each having a value of one, called ichi-dama (一玉, いちだま ...

  3. Roman abacus - Wikipedia

    en.wikipedia.org/wiki/Roman_abacus

    The longer slot with five beads below the Ө position allowed for the counting of 1/12 of a whole unit called an uncia (from which the English words inch and ounce are derived), making the abacus useful for Roman measures and Roman currency. The first column was either a single slot with 4 beads or 3 slots with one, one and two beads ...

  4. Abacus - Wikipedia

    en.wikipedia.org/wiki/Abacus

    The Song dynasty and earlier used the 1:4 type or four-beads abacus similar to the modern abacus including the shape of the beads commonly known as Japanese-style abacus. [28] In the early Ming dynasty, the abacus began to appear in a 1:5 ratio. The upper deck had one bead and the bottom had five beads. [29]

  5. File:Qing Jade Abacus, Daoguang Reign.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Qing_Jade_Abacus...

    View this and other nearby images on: OpenStreetMap 25.102442; 121.548453 Over 2000 more Public Domain photos from National Palace Museum of Taipei, plus thousands more from Chinese and world historical sites and museums at www.WorldHistoryPics.com

  6. Suanpan - Wikipedia

    en.wikipedia.org/wiki/Suanpan

    The suanpan is a 2:5 abacus: two heaven beads and five earth beads. If one compares the suanpan to the soroban which is a 1:4 abacus, one might think there are two "extra" beads in each column. In fact, to represent decimal numbers and add or subtract such numbers, one strictly needs only one upper bead and four lower beads on each column.

  7. List of musical symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_symbols

    Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...

  8. Comcast stock falls after management warns broadband ...

    www.aol.com/finance/comcast-stock-falls...

    Comcast shares closed down nearly 10% Monday after Dave Watson, president and CEO of Comcast Cable, said the company expects broadband subscribers to decline by over 100,000 in the current quarter.

  9. Abacus (architecture) - Wikipedia

    en.wikipedia.org/wiki/Abacus_(architecture)

    The abacus in Norman work is square where the columns are small; but on larger piers it is sometimes octagonal, as at Waltham Abbey. The square of the abacus is often sculptured with ornaments, as at the White Tower and at Alton, Hampshire (fig. 2). In Early English work, the abacus is generally circular, and in larger work, a group of circles ...

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