Viewing profile — chacha21
chacha21
HN member- Joined
- Sun, Aug 09, 2020, 8:20 PM UTC
- HN karma
- 210
- Public activity
- 30 items
- HN profile
- View on Hacker News ↗
About chacha21
No profile information was provided.
Recent public activity
-
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…
- story
-
comment
Comment #43701979
Chalk also supports uncertainty : https://chachatelier.fr/chalk/chalk-features.php (combined with arbitrary long numbers and interval arithmetic)
-
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…
-
comment
Comment #34568743
Desktop calculators are the best. Shame on computers ! https://chachatelier.fr/chalk/article/chalk.html#toc-14
-
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 …
-
comment
Comment #32908180
An opportunity to post again my thoughts about software calculators ! https://chachatelier.fr/chalk/article/chalk.html
-
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…
-
comment
Comment #30597268
You can achieve that, this is a preference of Chalk about what should be the next input
-
comment
Comment #30597261
Just a zip on the web page
-
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…
-
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
-
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…
-
comment
Comment #30597200
Chalk has an option to use RPN
-
comment
Comment #30593479
Thanks, I have added some more "mobile compliant" CSS styles.
-
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.
-
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…
-
comment
Comment #30593144
I agree, but as good as it is, this is not where people would like to find a good calculator.
-
comment
Comment #30592919
Thanks to Show HN I will be given tons of links to softwares I would never have found by myself :-)
-
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…
-
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…
-
comment
Comment #30591724
Quickfix : I have added a button to hide the TOC. Not sure if it fits mobile screens anyway.
-
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)
-
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 …
-
comment
Comment #30588164
https://chachatelier.fr/chalk/article/chalk.html