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  1. wikipedia.org
    https://en.wikipedia.org › wiki › Blackboard_bold

    Blackboard bold - Wikipedia

    Blackboard bold is a style of writing bold symbols on a blackboard by doubling certain strokes, commonly used in mathematical lectures, and the derived style of typeface used in printed …

  2. yaytext.com
    https://yaytext.com › double-struck

    Double-struck (Outlined) Unicode Text Tool - 𝔻𝕠𝕦𝕓𝕝𝕖 𝕊𝕥𝕣𝕦𝕔𝕜

    Double-struck is also called "blackboard bold" because the look originates from mathematicians using the edge of a piece of chalk when writing, to create bold-looking letters on a chalkboard. …

  3. onlinemathcenter.com
    https://onlinemathcenter.com › blog › math › math...

    Math Symbols | Blackboard Bold | OMC Math Blog

    Nov 23, 2021 · Math Symbols and Their Meanings Part VI: Blackboard Bold Published: 11-23-2021 Remembering all the mathematical symbols and operations can be difficult, especially …

  4. stackexchange.com
    https://tex.stackexchange.com › questions

    fonts - Blackboard bold characters - TeX - LaTeX Stack Exchange

    The blackboard bold font in the AMSFonts package only has capital letters. I sometimes wish to use a blackboard bold "1", for which I can use \\usepackage{bbold}. But this changes the …

  5. oeis.org
    https://oeis.org › wiki › Blackboard_bold

    Blackboard bold - OeisWiki

    A blackboard bold (double struck, open face) letter is an uppercase alphabetic character of the Latin alphabet that denotes an important set of numbers. Although the entire alphabet is …

  6. globalnerdy.com
    https://www.globalnerdy.com › twitters-x...

    Twitter’s X and other “blackboard bold” letters used in math

    Jul 31, 2023 · The blackboard bold version of X isn’t used too often, but there are other blackboard bold letters that you might want to familiarize yourself with, especially if your …

  7. ctan.org
    https://ctan.org › pkg › bbold

    CTAN: Package bbold

    CTAN Packages bbold bbold – Sans serif blackboard bold A geometric sans serif blackboard bold font, for use in mathematics; METAFONT sources are provided, as well as macros for use with …

  8. explained.today
    https://everything.explained.today › Blackboard_bold

    Blackboard bold explained

    Blackboard bold originated from the attempt to write bold symbols on typewriters and blackboards that were legible but distinct, perhaps starting in the late 1950s in France, and then taking hold …

  9. planetmath.org
    https://planetmath.org › BlackboardBold

    blackboard bold - PlanetMath.org

    Feb 6, 2018 · blackboard bold Certain capital letters are sometimes written in blackboard bold and considered to be a distinct symbol with a distinct meaning from their regular counterparts. This …

  10. officetooltips.com
    https://www.officetooltips.com › word › tips › how_to...

    How to quickly insert Double strike or Blackboard bold symbols …

    Double strike or Blackboard bold is a typeface style that is often used for certain symbols in mathematical texts, in which certain lines of the symbol (usually vertical or near-vertical lines) …

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