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  2. Estimated sign - Wikipedia

    en.wikipedia.org/wiki/Estimated_sign

    The sign looks like a stylised lowercase "e" and its shape, ℮, is precisely defined by the European Union Directive 2009/34/EC. It must be placed in the same field of vision as the nominal quantity. The sign has been added to the Unicode list of characters as U+212E ℮ ESTIMATED SYMBOL.

  3. Tag cloud - Wikipedia

    en.wikipedia.org/wiki/Tag_cloud

    Tag cloud of a mailing list [1] A tag cloud with terms related to Web 2.0. A tag cloud (also known as a word cloud or weighted list in visual design) is a visual representation of text data which is often used to depict keyword metadata on websites, or to visualize free form text. Tags are usually single words, and the importance of each tag is ...

  4. Estimation - Wikipedia

    en.wikipedia.org/wiki/Estimation

    Estimation (or estimating) is the process of finding an estimate or approximation, which is a value that is usable for some purpose even if input data may be incomplete, uncertain, or unstable. The value is nonetheless usable because it is derived from the best information available. [ 1 ]

  5. List of symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_symbols

    Recycling symbol. Recycling codes; Japanese recycling symbols; Green Dot (symbol) Laundry symbol; Period-after-opening symbol (on cosmetics as 6M, 12M, 18M, etc.) U+2602 ☂ UMBRELLA - keep dry; U+2614 ☔ UMBRELLA WITH RAIN DROPS - keep dry; Japanese postal mark ℮, the European estimated sign U+212E; Inventory tracking symbols Barcode such ...

  6. Dictionary - Wikipedia

    en.wikipedia.org/wiki/Dictionary

    Langenscheidt dictionaries in various languages A multi-volume Latin dictionary by Egidio Forcellini Dictionary definition entries. A dictionary is a listing of lexemes from the lexicon of one or more specific languages, often arranged alphabetically (or by consonantal root for Semitic languages or radical and stroke for logographic languages), which may include information on definitions ...

  7. Hat notation - Wikipedia

    en.wikipedia.org/wiki/Hat_notation

    In statistics, a circumflex (ˆ), called a "hat", is used to denote an estimator or an estimated value. [1] For example, in the context of errors and residuals , the "hat" over the letter ε ^ {\displaystyle {\hat {\varepsilon }}} indicates an observable estimate (the residuals) of an unobservable quantity called ε {\displaystyle \varepsilon ...

  8. Definition - Wikipedia

    en.wikipedia.org/wiki/Definition

    A definition states the meaning of a word using other words. This is sometimes challenging. Common dictionaries contain lexical descriptive definitions, but there are various types of definition – all with different purposes and focuses. A definition is a statement of the meaning of a term (a word, phrase, or other set of symbols).

  9. E (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/E_(disambiguation)

    E, the symbol for an electric field; e or orbital eccentricity, a measure of how much a conic section deviates from a circle; E or Equal Energy spectrum, a definition of white in colour printing; E, the electrode potential, the electromotive force of a cell built of two electrodes E° or , the standard electrode potential