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  2. Hash function - Wikipedia

    en.wikipedia.org/wiki/Hash_function

    A hash function takes a finite amount of time to map a potentially large keyspace to a feasible amount of storage space searchable in a bounded amount of time regardless of the number of keys. In most applications, the hash function should be computable with minimum latency and secondarily in a minimum number of instructions.

  3. The repeating decimal commonly written as 0.999... represents exactly the same quantity as the number one. Despite having the appearance of representing a smaller number, 0.999... is a symbol for the number 1 in exactly the same way that 0.333... is an equivalent notation for the number represented by the fraction 1 ⁄ 3. [433]

  4. Radiotelephony procedure - Wikipedia

    en.wikipedia.org/wiki/Radiotelephony_procedure

    Radio call signs are a globally unique identifier assigned to all stations that are required to obtain a license in order to emit RF energy. The identifiers consist of from 3 to 9 letters and digits, and while the basic format of the call signs are specified by the ITU-R Radio Regulations, Article 19, Identification of stations, [5] the details are left up to each country's radio licensing ...

  5. The Ancestor's Tale - Wikipedia

    en.wikipedia.org/wiki/The_Ancestor's_Tale

    The Platypus has had precisely the same time to evolve as the rest of mammals, even if it does not resemble our concestor 15. On its large bill, it has evolved a highly developed form of electroreception served by 40,000 electric sensors, and 60,000 mechanical push rods , which aid it in search of crustaceans in the mud.

  6. Tax - Wikipedia

    en.wikipedia.org/wiki/Tax

    All countries have a tax system in place to pay for public, common societal, or agreed national needs and for the functions of government. [ citation needed ] Some countries levy a flat percentage rate of taxation on personal annual income, but most scale taxes are progressive based on brackets of yearly income amounts.

  7. Programme for International Student Assessment - Wikipedia

    en.wikipedia.org/wiki/Programme_for...

    The Programme for International Student Assessment (PISA) is a worldwide study by the Organisation for Economic Co-operation and Development (OECD) in member and non-member nations intended to evaluate educational systems by measuring 15-year-old school pupils' scholastic performance on mathematics, science, and reading. [1]

  8. Euro sign - Wikipedia

    en.wikipedia.org/wiki/Euro_sign

    In those countries where previous convention was to place the currency sign before the figure, the euro sign is placed in the same position (e.g., €3.50). [7] In those countries where the amount preceded the national currency sign, the euro sign is again placed in that relative position (e.g., 3,50 €).