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  2. Pi (letter) - Wikipedia

    en.wikipedia.org/wiki/Pi_(letter)

    Pi (/ˈpaɪ/; Ancient Greek /piː/ or /peî/, uppercase Π, lowercase π, cursive ϖ; Greek: πι) is the sixteenth letter of the Greek alphabet, meaning units united, and representing the voiceless bilabial plosive IPA:.

  3. Wikipedia : Manual of Style/Capital letters

    en.wikipedia.org/wiki/Wikipedia:Manual_of_Style/...

    Wikipedia avoids unnecessary capitalization.In English, capitalization is primarily needed for proper names, acronyms, and for the first letter of a sentence. [a] Wikipedia relies on sources to determine what is conventionally capitalized; only words and phrases that are consistently capitalized in a substantial majority of independent, reliable sources are capitalized in Wikipedia.

  4. List of proofreader's marks - Wikipedia

    en.wikipedia.org/wiki/List_of_proofreader's_marks

    Selection should be whatever edit follows this mark s/r: substitute/replace: Make the substitution tr: transpose: Transpose the two words selected vf: verb form (Mostly used when translating) The version of the verb is used incorrectly e: ending: The ending of the word is incorrect / needs to be changed c: capitalization: Certain word needs to ...

  5. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    The font used in the TeX rendering is an italic style. This is in line with the convention that variables should be italicized. As Greek letters are more often than not used as variables in mathematical formulas, a Greek letter appearing similar to the TeX rendering is more likely to be encountered in works involving mathematics.

  6. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number π (/ p aɪ /; 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 .

  7. Angelina Jolie Gets Asked 'the Most Insane Question.' Here's ...

    www.aol.com/angelina-jolie-gets-asked-most...

    Angelina Jolie balked at a question regarding whether there should be a biopic about her life.. When Jolie, 49, and her Maria director Pablo Larraín spoke with the U.K.'s The Times to promote ...

  8. What’s the Profitability Index (PI) and How Is It Calculated?

    www.aol.com/profitability-index-pi-calculated...

    Similar to PI, investors use NPV to determine whether a project is likely to add value to their portfolio. But, NPV assesses the absolute profitability of a project while PI is used to compare the ...

  9. Wikipedia : Manual of Style/Mathematics

    en.wikipedia.org/wiki/Wikipedia:Manual_of_Style/...

    The context should clearly state that this is a semidirect product and should state which group is normal. The bar notation is discouraged because it is not supported by all browsers. If the bar notation is used it should be entered as {{unicode|⋉}} (⋉) or {{unicode|⋊}} (⋊) for maximum portability.