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  2. Indian numbering system - Wikipedia

    en.wikipedia.org/wiki/Indian_numbering_system

    The Indian system groups digits of a large decimal representation differently than the US and other English-speaking regions. The Indian system does group the first three digits to the left of the decimal point. But thereafter, groups by two digits to align with the naming of quantities at multiples of 100. [2]

  3. Stepped reckoner - Wikipedia

    en.wikipedia.org/wiki/Stepped_reckoner

    To multiply by numbers over 9: The multiplicand is set into the operand dials. The first (least significant) digit of the multiplier is set into the multiplier dial as above, and the crank is turned, multiplying the operand by that digit and putting the result in the accumulator. The input section is shifted one digit to the left with the end ...

  4. Hindu units of time - Wikipedia

    en.wikipedia.org/wiki/Hindu_units_of_time

    Each Manu reigns over a period called a manvantara, each lasting for 71 chatur-yugas (306.72 million years). A total of 14 Manus reign successively in one kalpa (day of Brahma). Preceding the first and following each manvantara is a sandhyā (connection period), each lasting the duration of Satya-yuga (1.728 million years).

  5. Hindustani numerals - Wikipedia

    en.wikipedia.org/wiki/Hindustani_numerals

    Sometimes the ardha-tatsama form śūn is also used (semi-learned borrowing). Colloquially in Hinglish / Urdish , it is simply referred as jīro / zīro (from English zero ). In writing Hindi, numbers are usually represented using Devanagari numeral signs , while in Urdu the signs employed are those of a modified Eastern Arabic numeral system .

  6. History of large numbers - Wikipedia

    en.wikipedia.org/wiki/History_of_large_numbers

    Different cultures used different traditional numeral systems for naming large numbers.The extent of large numbers used varied in each culture. Two interesting points in using large numbers are the confusion on the term billion and milliard in many countries, and the use of zillion to denote a very large number where precision is not required.

  7. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    Million Million Million M Mega-2 1 10 9: Billion Thousand million Milliard G Giga-3 2 10 12: Trillion Billion Billion T Tera-4 2 10 15: Quadrillion Thousand billion Billiard P Peta-5 3 10 18: Quintillion Trillion Trillion E Exa-6 3 10 21: Sextillion Thousand trillion Trilliard Z Zetta-7 4 10 24: Septillion Quadrillion Quadrillion Y Yotta-8 4 10 ...

  8. 70 million-year-old giant dinosaur skeleton found connected ...

    www.aol.com/news/70-million-old-dinosaur-fossil...

    A nearly complete and intact dinosaur skeleton has been excavated in France. The specimen is a Titanosaur, one of the largest dinosaurs of its time.

  9. Mechanical calculator - Wikipedia

    en.wikipedia.org/wiki/Mechanical_calculator

    For forty years the arithmometer was the only type of mechanical calculator available for sale until the industrial production of the more successful Odhner Arithmometer in 1890. [ 7 ] The comptometer , introduced in 1887, was the first machine to use a keyboard that consisted of columns of nine keys (from 1 to 9) for each digit.