Skip to content
By using Twitter’s services you agree to our Cookies Use. We and our partners operate globally and use cookies, including for analytics, personalisation, and ads.

For the best Twitter experience, please use Microsoft Edge, or install the Twitter app from Microsoft Store.

  • Home Home Home, current page.
  • About

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @
  • Language: English
    • Bahasa Indonesia
    • Bahasa Melayu
    • Català
    • Čeština
    • Dansk
    • Deutsch
    • English UK
    • Español
    • Filipino
    • Français
    • Hrvatski
    • Italiano
    • Magyar
    • Nederlands
    • Norsk
    • Polski
    • Português
    • Română
    • Slovenčina
    • Suomi
    • Svenska
    • Tiếng Việt
    • Türkçe
    • Ελληνικά
    • Български език
    • Русский
    • Српски
    • Українська мова
    • עִבְרִית
    • العربية
    • فارسی
    • मराठी
    • हिन्दी
    • বাংলা
    • ગુજરાતી
    • தமிழ்
    • ಕನ್ನಡ
    • ภาษาไทย
    • 한국어
    • 日本語
    • 简体中文
    • 繁體中文
  • Have an account? Log in
    Have an account?
    · Forgot password?

    New to Twitter?
    Sign up
fermatslibrary's profile
Fermat's Library
Fermat's Library
Fermat's Library
@fermatslibrary

Tweets

Fermat's Library

@fermatslibrary

A platform for illuminating academic papers. We publish an annotated paper every week. Our chrome extension for arXiv: https://fermatslibrary.com/librarian 

fermatslibrary.com
Joined September 2015

Tweets

  • © 2020 Twitter
  • About
  • Help Center
  • Terms
  • Privacy policy
  • Imprint
  • Cookies
  • Ads info
Dismiss
Previous
Next

Go to a person's profile

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @

Promote this Tweet

Block

  • Tweet with a location

    You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more

    Your lists

    Create a new list


    Under 100 characters, optional

    Privacy

    Copy link to Tweet

    Embed this Tweet

    Embed this Video

    Add this Tweet to your website by copying the code below. Learn more

    Add this video to your website by copying the code below. Learn more

    Hmm, there was a problem reaching the server.

    By embedding Twitter content in your website or app, you are agreeing to the Twitter Developer Agreement and Developer Policy.

    Preview

    Why you're seeing this ad

    Log in to Twitter

    · Forgot password?
    Don't have an account? Sign up »

    Sign up for Twitter

    Not on Twitter? Sign up, tune into the things you care about, and get updates as they happen.

    Sign up
    Have an account? Log in »

    Two-way (sending and receiving) short codes:

    Country Code For customers of
    United States 40404 (any)
    Canada 21212 (any)
    United Kingdom 86444 Vodafone, Orange, 3, O2
    Brazil 40404 Nextel, TIM
    Haiti 40404 Digicel, Voila
    Ireland 51210 Vodafone, O2
    India 53000 Bharti Airtel, Videocon, Reliance
    Indonesia 89887 AXIS, 3, Telkomsel, Indosat, XL Axiata
    Italy 4880804 Wind
    3424486444 Vodafone
    » See SMS short codes for other countries

    Confirmation

     

    Welcome home!

    This timeline is where you’ll spend most of your time, getting instant updates about what matters to you.

    Tweets not working for you?

    Hover over the profile pic and click the Following button to unfollow any account.

    Say a lot with a little

    When you see a Tweet you love, tap the heart — it lets the person who wrote it know you shared the love.

    Spread the word

    The fastest way to share someone else’s Tweet with your followers is with a Retweet. Tap the icon to send it instantly.

    Join the conversation

    Add your thoughts about any Tweet with a Reply. Find a topic you’re passionate about, and jump right in.

    Learn the latest

    Get instant insight into what people are talking about now.

    Get more of what you love

    Follow more accounts to get instant updates about topics you care about.

    Find what's happening

    See the latest conversations about any topic instantly.

    Never miss a Moment

    Catch up instantly on the best stories happening as they unfold.

    Fermat's Library‏ @fermatslibrary Jan 18
    • Report Tweet

    377 years ago Pierre Hérigone wrote a six-volume algebra text almost entirely in symbols, in which he first proposed the use of ⊥ (perpendicular) and ∠ (angle).pic.twitter.com/N94FQeQ8c0

    5:22 AM - 18 Jan 2020
    • 585 Retweets
    • 3,438 Likes
    • Wankar FC kuebiko⁷ 💚 hobi-aro-ry Balaji Sundar Bob Gamber Ariel Hernán Curiale Byrjun 🔴 ben blazak Limbu M. Limbu सालगुडे व्ही एम् सर
    22 replies 585 retweets 3,438 likes
      1. New conversation
      2. Luis Batalha  🇵🇹 🇺🇸‏ @luismbat Jan 18
        • Report Tweet
        Replying to @fermatslibrary

        Hérigone's goal was to create a symbolic language as a universal language for dealing with math. Here are some of the other symbols he tried to introduce in his bookpic.twitter.com/4hOW3TfHQj

        1 reply 19 retweets 114 likes
      3. 1 more reply
      1. New conversation
      2. Jeff Grigg‏ @JeffGrigg1 Jan 18
        • Report Tweet
        Replying to @fermatslibrary

        The man: https://en.wikipedia.org/wiki/Pierre_H%C3%A9rigone …

        1 reply 0 retweets 4 likes
      3. Jeff Grigg‏ @JeffGrigg1 Jan 18
        • Report Tweet
        Replying to @JeffGrigg1 @fermatslibrary

        The work:https://www.sciencedirect.com/science/article/pii/S031508600800030X …

        0 replies 2 retweets 19 likes
      4. End of conversation
      1. Vladimir Ilievski‏ @VladOsaurus Jan 18
        • Report Tweet
        Replying to @fermatslibrary

        My nose as seen from front, my nose as seen in profile 😅 Just joking, the math notation is by itself the biggest formal language, fundamental for sharing and understanding great ideas 💡

        0 replies 0 retweets 10 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Ravi‏ @AudibleSilent Jan 18
        • Report Tweet
        Replying to @fermatslibrary

        I thought it was a 1 and a 2 that Har their top half cut

        0 replies 0 retweets 9 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Sanskar Samar Ramiresz‏ @SamarSanskar Jan 18
        • Report Tweet
        Replying to @fermatslibrary

        And I thought my teacher was the first.

        0 replies 0 retweets 6 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Eybeled‏ @eybeled Jan 18
        • Report Tweet
        Replying to @fermatslibrary

        Many thanks for all scientists who develope our math knowledge.

        0 replies 0 retweets 3 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. hardsanch‏ @hardcheezz Jan 18
        • Report Tweet
        Replying to @fermatslibrary

        Ahhh okkee

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Anime Knight ♘‏ @WaifuHeavenly Jan 24
        • Report Tweet
        Replying to @fermatslibrary

        Pierre Hérrigone, the guy who made my math homework easier. Got that 👌

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo

    Loading seems to be taking a while.

    Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.

      Promoted Tweet

      false

      • © 2020 Twitter
      • About
      • Help Center
      • Terms
      • Privacy policy
      • Imprint
      • Cookies
      • Ads info