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chacha21

HN member
Joined
Sun, Aug 09, 2020, 8:20 PM UTC
HN karma
210
Public activity
30 items

About chacha21

No profile information was provided.

Recent public activity

  1. comment
    Comment #47209982

    A study about black holes that highlights mathematical errors from the very beginning, already mentioned by some scientists in the past, but never really considered seriously. Anot…

  2. story
  3. comment
    Comment #43701979

    Chalk also supports uncertainty : https://chachatelier.fr/chalk/chalk-features.php (combined with arbitrary long numbers and interval arithmetic)

  4. comment
    Comment #43071939

    I share a lot of thoughts with that, and built my own calculator, too A calculator that gives right instead of wrong answers https://chachatelier.fr/chalk/chalk-home.php I tried to…

  5. comment
    Comment #34568743

    Desktop calculators are the best. Shame on computers ! https://chachatelier.fr/chalk/article/chalk.html#toc-14

  6. comment
    Comment #32911211

    Most people didn't understand that my goal was not to benchmark all existing calculator apps. It is on purpose that I did not mention all "pretty good" softwares, because I cannot …

  7. comment
    Comment #32908180

    An opportunity to post again my thoughts about software calculators ! https://chachatelier.fr/chalk/article/chalk.html

  8. comment
    Comment #30597525

    Let's say that : if you do not use arithmetic interval, at some point your floating point computations will be wrong and misleading if you do not carry information about how much b…

  9. comment
    Comment #30597268

    You can achieve that, this is a preference of Chalk about what should be the next input

  10. comment
    Comment #30597261

    Just a zip on the web page

  11. comment
    Comment #30597256

    RPN is just an option (provided by Chalk). The "minimalist" GUI is just the introduction of the full article. You have to reach https://chachatelier.fr/chalk/article/chalk.html#toc…

  12. comment
    Comment #30597225

    Chalk is kind of robust, I am surprise you hit a bug at first use. Go to https://chachatelier.fr/chalk/chalk-contact.php > for bug reports

  13. comment
    Comment #30597212

    Thanks ! There were so many things to say that I was afraid nobody would read up to the end. GUI is only the visible part of the iceberg. Number representation (to keep exact value…

  14. comment
    Comment #30597200

    Chalk has an option to use RPN

  15. comment
    Comment #30593479

    Thanks, I have added some more "mobile compliant" CSS styles.

  16. comment
    Comment #30593431

    Even with numbers only, it can still be useful to know how wrong the result is. Chalk keeps track of every inaccuracy when dealing with decimal numbers.

  17. comment
    Comment #30593154

    I don't use Emacs, but I feel that people should just have access to a decent calculator without digging developer forums. As good as Emacs Calc is, we can admit that it's unlikely…

  18. comment
    Comment #30593144

    I agree, but as good as it is, this is not where people would like to find a good calculator.

  19. comment
    Comment #30592919

    Thanks to Show HN I will be given tons of links to softwares I would never have found by myself :-)

  20. comment
    Comment #30591936

    You know what ? I was not even aware that it would work ! (Am I the only one to discover that just now ? I am not using Spotlight very often) It's kind of cool, but I can still fin…

  21. comment
    Comment #30591809

    We will somewhat disagree, partly because I can't help using calculators as a scientist, so my opinion is particularly biased. However, I don't like the trend to hide everything th…

  22. comment
    Comment #30591724

    Quickfix : I have added a button to hide the TOC. Not sure if it fits mobile screens anyway.

  23. comment
    Comment #30591408

    Even if it proves me wrong, it still makes me happy that some work is done on this tool. (I will fix the article)

  24. comment
    Comment #30591350

    Hi, >I wonder if the author considered an input method where keypresses translate directly into a rendered equation? Personally, I don't like such systems, because I always end up …

  25. comment
    Comment #30588164

    https://chachatelier.fr/chalk/article/chalk.html