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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. Katapayadi system - Wikipedia

    en.wikipedia.org/wiki/Katapayadi_system

    Kaṭapayādi system (Devanagari: कटपयादि, also known as Paralppēru, Malayalam: പരല്‍പ്പേര്) of numerical notation is an ancient Indian alphasyllabic numeral system to depict letters to numerals for easy remembrance of numbers as words or verses. Assigning more than one letter to one numeral and nullifying ...

  4. Talk:Indian numbering system - Wikipedia

    en.wikipedia.org/wiki/Talk:Indian_numbering_system

    Indian counting system (as it is followed today) uses a simple 3,2,2 based comma separation system with same pattern repeating. So One Lakh Crore should be written as 1,00,000,00,00,000. The idea is that just by looking at the number representation you should be able to read it.

  5. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Zone 8 uses four 2-digit codes (81, 82, 84, 86) and four sets of 3-digit codes (80x, 85x, 87x, 88x) to serve East Asia, South Asia and special services. 83x and 89x are unallocated. Zone 9 uses seven 2-digit codes (90–95, 98) and three sets of 3-digit codes (96x, 97x, 99x) to serve the Middle East , West Asia , Central Asia , parts of South ...

  6. List of Indian inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Indian_inventions...

    The usage of the zero in the Bakhshali manuscript was dated from between 3rd and 4th centuries, making it the earliest known usage of a written zero, in a decimal place value system. [167] Hindu number system – With decimal place-value and a symbol for zero, this system was the ancestor of the widely used Arabic numeral system. It was ...

  7. Indian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Indian_units_of_measurement

    Commodity Weight System. 1 Bhari = 4 Siki 1 Kancha = 5 Siki 1 Chhataank = 4 Kancha 1 Chhataank = 5 Bhari 1 Adh-pav = 2 Chhatank = 1/8 Seer 1 Pav = 2 Adh-pav = ¼ Seer (Pav means ¼) The unit pav is still used to this date however, it has been modified to "a fourth of a kilogram". 1 Adher = 2 Pav = ½ Seer In Hindi ½ Seer = Adha (½) Seer, or Adher

  8. Indian National Mathematical Olympiad - Wikipedia

    en.wikipedia.org/wiki/Indian_National...

    The Indian Olympiad Qualifier in Mathematics (IOQM) is a national exam for students in grades 8-12. It's used to shortlist students for HBCSE's Mathematical Olympiad program. Students must be under 20 years old by June 30 of the IMO year and cannot have passed Class 12.

  9. History of the Hindu–Arabic numeral system - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Hindu...

    The Hindu–Arabic numeral system is a decimal place-value numeral system that uses a zero glyph as in "205". [1]Its glyphs are descended from the Indian Brahmi numerals.The full system emerged by the 8th to 9th centuries, and is first described outside India in Al-Khwarizmi's On the Calculation with Hindu Numerals (ca. 825), and second Al-Kindi's four-volume work On the Use of the Indian ...