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Alternatives

Products that do what The Euro System as a (19,9,3,3)-System does

Open-source framework for cryptography & data analysis

  1. 1AN

    2018 · github.com

  2. 2HM

    Hi, I made this page to contextualize 13 billion euros (or 14): an amount due to Ireland in an EU Apple tax case and all over the airwaves here this week. I use some pretty silly back-of-the-envelope type calculations (the same ones also repeated a lot in Ireland this week!). These calculations aren't especially interesting, but at least they are present: you can see them, and you can change them. If you do - change the 13 billion to 14 billion for example, related numbers will flash with updates. It's an example using calculang[1]: a language for calculations, and an example that focuses on…

    2024 · howmuchis13billioneuros.com

  3. 3IM

    I've been studying interval arithmetic for the past few weeks and it's a really interesting field because while there is a ton of super interesting research published over the past decades, it has never really gotten the recognition that it deserves, IMO. One reason for this is that standard interval arithmetic has really poor handling of division by intervals containing zero. If you compute 1 / [-1, 2] in regular interval arithmetic, you get either [-∞, +∞], or you have to say that the operation is undefined. Both solutions are virtually useless. The real answer of course is [-∞, -1] U…

    Apr 2026 · victorpoughon.github.io

  4. 4MN

    2017 · foreignnumbers.com

  5. 5
    Numbr289

    An elegant calculator for the web

    2021

  6. 6AM
  7. 7TA

    Credit goes to the contributors of https://github.com/enjeck/num2math for making the tool's core.

    2024 · scientific.place

  8. 8

    Turn any number into a complicated math equation

    2024

  9. 9IP

    2017 · strandmark.net

  10. 10VA

    Wrote this to learn more about the `chumsky` parser combinator library, rustyline, and the `ariadne` error reporting crate. Such a nice DX combo for writing new languages. Still a work in progress, but I thought I'd share :)

    2025 · github.com

  11. 11
    Amount94

    A beautiful and simple unit and currency converter

    2014

  12. 12

    Calculate your trading fees earn for Uniswap V3

    2021

  13. 132S

    This year's number is kinda fun: 2025 = 0^3 + 1^3 + 2^3 + 3^3 + 4^3 + 5^3 + 6^3 + 7^3 + 8^3 + 9^3 Which is equivalent to: 2025 = (0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9) ^ 2 = 45 ^ 2 Next time this will happen is 1000 years from now, in 3025. See y'all then!

    2025

  14. 14IM
  15. 15IF

    2016 · blakelapierre.github.io

  16. 16HM
  17. 17AC
  18. 18PC

    JavaScript implementation of the famous `10 print chr$(205.5+rnd(1)) goto 10` one line of BASIC code. data:text/html,a=()=>{document.write(Math.random(){a();window.requestAnimationFrame(update)};update() Copy and paste the above "link" in your browser.

    2021

  19. 19SM
  20. 20AO
  21. 21LL
  22. 22AO

    2013 · zachschnell.com

  23. 23CJ
  24. 24A2

    I’ve been experimenting with structured logic as a way to frame search spaces — not in an academic way, just as a personal project. I wanted to know: what happens if you initialize a brute-force run with a simple equality like xy = x / y? Not as a filter, just as a logical ignition point. I used AES-256-CBC encrypted files with UUID passwords and tested against a 1 million UUID space. It cracked it in under 40 seconds. Then I scaled it to a 1 billion UUID range, and it still found the key without issue. This isn’t a crypto tool, and I’m not trying to solve any cryptographic problems.…

    2025 · github.com

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