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  2. Decimal separator - Wikipedia

    en.wikipedia.org/wiki/Decimal_separator

    A radix point is most often used in decimal (base 10) notation, when it is more commonly called the decimal point (the prefix deci-implying base 10). In English-speaking countries , the decimal point is usually a small dot (.) placed either on the baseline, or halfway between the baseline and the top of the digits ( · ) [ 25 ] [ a ] In many ...

  3. Binary prefix - Wikipedia

    en.wikipedia.org/wiki/Binary_prefix

    For example, the IBM 701 (1952) used a binary methods and could address 2048 words of 36 bits each, while the IBM 702 (1953) used a decimal system, and could address ten thousand 7-bit words. By the mid-1960s, binary addressing had become the standard architecture in most computer designs, and main memory sizes were most commonly powers of two.

  4. Abacus - Wikipedia

    en.wikipedia.org/wiki/Abacus

    It adopts the form of the upper deck one bead and the bottom four beads. The top bead on the upper deck was equal to five and the bottom one is similar to the Chinese or Korean abacus, and the decimal number can be expressed, so the abacus is designed as a 1:4 device. The beads are always in the shape of a diamond.

  5. Scrabble letter distributions - Wikipedia

    en.wikipedia.org/wiki/Scrabble_letter_distributions

    However, with this set, according to the rules, if a blank is used as a Y it is worth 10 points, if a blank is used as a Z it is worth 15 points, and if a blank is used as a K it is worth 20 points. Each of those letters are so high in points, because they are used only in borrowed words.

  6. List of card games by number of cards - Wikipedia

    en.wikipedia.org/wiki/List_of_card_games_by...

    Games played with 36 cards may be of considerable antiquity as the standard German card pack reduced to 32 cards during the 19th century (see Dummett 1980).

  7. Pound sterling - Wikipedia

    en.wikipedia.org/wiki/Pound_sterling

    The pound is the main unit of sterling, [4] [c] and the word pound is also used to refer to the British currency generally, [7] often qualified in international contexts as the British pound or the pound sterling. [4] Sterling is the world's oldest currency in continuous use since its inception. [8]

  8. List of languages by number of native speakers in India

    en.wikipedia.org/wiki/List_of_languages_by...

    States and union territories of India by the spoken first language [1] [note 1]. The Republic of India is home to several hundred languages.Most Indians speak a language belonging to the families of the Indo-Aryan branch of Indo-European (c. 77%), the Dravidian (c. 20.61%), the Austroasiatic (precisely Munda and Khasic) (c. 1.2%), or the Sino-Tibetan (precisely Tibeto-Burman) (c. 0.8%), with ...

  9. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.