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  2. Plus–minus sign - Wikipedia

    en.wikipedia.org/wiki/Plus–minus_sign

    Plus–minus sign. The plus–minus sign or plus-or-minus sign, ±, is a symbol with multiple meanings: In mathematics, it generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction. In statistics and experimental sciences, the sign commonly indicates the confidence ...

  3. Template:Unicode chart Supplemental Symbols and Pictographs

    en.wikipedia.org/wiki/Template:Unicode_chart...

    Contents. Template:Unicode chart Supplemental Symbols and Pictographs. {{ Unicode chart Supplemental Symbols and Pictographs }} provides a table listing the characters in the Supplemental Symbols and Pictographs block of Unicode. The display can be changed to show only rows containing emoticons using an optional parameter.

  4. Template:Unicode chart Musical Symbols - Wikipedia

    en.wikipedia.org/wiki/Template:Unicode_chart...

    Template documentation. { { Unicode chart Musical Symbols }} provides a list of Unicode code points in the Musical Symbols block.

  5. Admiralty chart - Wikipedia

    en.wikipedia.org/wiki/Admiralty_chart

    Admiralty Chart of the coast of Peru, surveyed by Robert FitzRoy in 1836, engraved in 1840, and published with corrections to 1960. Charts were printed from copper plates. Plates were engraved, in reverse, with a burin. The plate was inked, and the excess ink wiped from the flat surface before printing, so that ink remained only in the engraved ...

  6. Gantt chart - Wikipedia

    en.wikipedia.org/wiki/Gantt_chart

    A Gantt chart is a type of bar chart [4] [5] that illustrates a project schedule. [6] This chart lists the tasks to be performed on the vertical axis, and time intervals on the horizontal axis. [4] [7] The width of the horizontal bars in the graph shows the duration of each activity. [7] [8] Gantt charts illustrate the start and finish dates of ...

  7. Structure chart - Wikipedia

    en.wikipedia.org/wiki/Structure_Chart

    A structure chart (SC) in software engineering and organizational theory is a chart which shows the breakdown of a system to its lowest manageable levels. [2] They are used in structured programming to arrange program modules into a tree. Each module is represented by a box, which contains the module's name.

  8. List of symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_symbols

    Political symbols [ edit] Main articles: Political symbolism and List of ideological symbols. Anarchist symbolism. Communist symbolism. Fascist symbolism. Flash and circle. Francoist Symbol. Meander. Nazi symbolism.

  9. IPA consonant chart with audio - Wikipedia

    en.wikipedia.org/wiki/IPA_consonant_chart_with_audio

    The following tables present pulmonic and non-pulmonic consonants. In the IPA, a pulmonic consonant is a consonant made by obstructing the glottis (the space between the vocal cords) or oral cavity (the mouth) and either simultaneously or subsequently letting out air from the lungs. Pulmonic consonants make up the majority of consonants in the ...