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  2. Null sign - Wikipedia

    en.wikipedia.org/wiki/Null_sign

    In mathematics, the null sign (∅) denotes the empty set. Note that a null set is not necessarily an empty set. Common notations for the empty set include " {}", "∅", and " ". The latter two symbols were introduced by the Bourbaki group (specifically André Weil) in 1939, inspired by the letter Ø in the Danish and Norwegian alphabets (and ...

  3. Rupee sign - Wikipedia

    en.wikipedia.org/wiki/Rupee_sign

    The rupee sign " ₨ " is a currency sign used to represent the monetary unit of account in Pakistan, Sri Lanka, Nepal, Mauritius, Seychelles, and formerly in India. It resembles, and is often written as, the Latin character sequence "Rs", of which (as a single character) it is an orthographic ligature. It is common to find a punctuation mark ...

  4. Japan - Wikipedia

    en.wikipedia.org/wiki/Japan

    Japan is a part of the Ring of Fire, and spans an archipelago of 14,125 islands, with the five main islands being Hokkaido, Honshu (the "mainland"), Shikoku, Kyushu, and Okinawa. Tokyo is the country's capital and largest city, followed by Yokohama, Osaka, Nagoya, Sapporo, Fukuoka, Kobe, and Kyoto .

  5. Won sign - Wikipedia

    en.wikipedia.org/wiki/Won_sign

    The Unicode code point is U+20A9 ₩ WON SIGN: this is valid for either appearance. Additionally, there is a full width character at U+FFE6 ₩ FULLWIDTH WON SIGN (in the block halfwidth and fullwidth forms). Microsoft Windows. In Microsoft Windows code page 949, the position 0x5C is also used for the won sign.

  6. United Arab Emirates - Wikipedia

    en.wikipedia.org/wiki/United_Arab_Emirates

    امارات. United Arab Emirates portal. The United Arab Emirates [b] ( UAE ), or simply the Emirates, [c] is a country in West Asia, in the Middle East. Located at the eastern end of the Arabian Peninsula, it shares borders with Oman and Saudi Arabia; as well as maritime borders in the Persian Gulf with Qatar and Iran.

  7. History of the World Wide Web - Wikipedia

    en.wikipedia.org/wiki/History_of_the_World_Wide_Web

    Category. The World Wide Web ("WWW", "W3" or simply "the Web") is a global information medium that users can access via computers connected to the Internet. The term is often mistakenly used as a synonym for the Internet, but the Web is a service that operates over the Internet, just as email and Usenet do.

  8. United States - Wikipedia

    en.wikipedia.org/wiki/United_States

    The musical forms of punk and hip hop both originated in the United States in the 1970s. The United States has the world's largest music market with a total retail value of $15.9 billion in 2022. Most of the world's major record companies are based in the U.S.; they are represented by the Recording Industry Association of America (RIAA).

  9. Benjamin Franklin - Wikipedia

    en.wikipedia.org/wiki/Benjamin_Franklin

    Benjamin Franklin FRS FRSA FRSE (January 17, 1706 [ O.S. January 6, 1705] [Note 1] – April 17, 1790) was an American polymath, a leading writer, scientist, inventor, statesman, diplomat, printer, publisher, and political philosopher. [1] Among the most influential intellectuals of his time, Franklin was one of the Founding Fathers of the ...