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  2. Token money - Wikipedia

    en.wikipedia.org/wiki/Token_money

    Token money. Token money, or token, is a form of money that has a lesser intrinsic value compared to its face value. [1][2] Token money is anything that is accepted as money, not due to its intrinsic value but instead because of custom or legal enactment. [3] Token money costs less to produce than its face value. [3]

  3. Chronology of computation of π - Wikipedia

    en.wikipedia.org/wiki/Chronology_of_computation...

    As of July 2024, π has been calculated to 202 trillion decimal digits. The last 100 decimal digits of the latest world record computation are: [1] Graph showing how the record precision of numerical approximations to pi measured in decimal places (depicted on a logarithmic scale), evolved in human history.

  4. Token coin - Wikipedia

    en.wikipedia.org/wiki/Token_coin

    Token coin. In numismatics, token coins or trade tokens are coin-like objects used instead of coins. The field of token coins is part of exonumia and token coins are token money. Their denomination is shown or implied by size, color or shape. They are often made of cheaper metals like copper, pewter, aluminium, brass and tin, or non-metals like ...

  5. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    t. e. The number π (/ paɪ /; spelled out as " pi ") is a mathematical constant that is the ratio of a circle 's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics.

  6. Six nines in pi - Wikipedia

    en.wikipedia.org/wiki/Six_nines_in_pi

    Six nines in pi. A sequence of six consecutive nines occurs in the decimal representation of the number pi (π), starting at the 762nd decimal place. [1][2] It has become famous because of the mathematical coincidence, and because of the idea that one could memorize the digits of π up to that point, and then suggest that π is rational.

  7. Cryptocurrency - Wikipedia

    en.wikipedia.org/wiki/Cryptocurrency

    In return, they get authority over the token in proportion to the amount they stake. Generally, these token stakers get additional ownership in the token over time via network fees, newly minted tokens, or other such reward mechanisms. [10] Trace amounts of cryptocurrency that are not worth spending because of the fee needed are called "dust". [11]

  8. Piphilology - Wikipedia

    en.wikipedia.org/wiki/Piphilology

    Piphilology comprises the creation and use of mnemonic techniques to remember many digits of the mathematical constant π. The word is a play on the word "pi" itself and of the linguistic field of philology. There are many ways to memorize π, including the use of piems (a portmanteau, formed by combining pi and po em), which are poems that ...

  9. Units of information - Wikipedia

    en.wikipedia.org/wiki/Units_of_information

    In particular, if b is a positive integer, then the unit is the amount of information that can be stored in a system with b possible states. When b is 2, the unit is the shannon, equal to the information content of one "bit" (a portmanteau of binary digit [2]). A system with 8 possible states, for example, can store up to log 2 8 = 3 bits of ...