decimal.js
insect
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decimal.js | insect | |
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22 | 24 | |
6,113 | 3,152 | |
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0.0 | 4.9 | |
8 months ago | 2 months ago | |
JavaScript | PureScript | |
MIT License | MIT License |
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decimal.js
- Floats Are Weird
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Decoding Why 0.6 + 0.3 = 0.8999999999999999 in JS and How to Solve?
ii) Third-Party Libraries There are various libraries like math.js, decimal.js, big.js that solve the problem. Each library functions according to its documentation. This approach is comparatively better.
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Front-End Dilemmas: Tackling Precision Problems in JavaScript with Decimal.js
Desperate for a solution, I stumbled upon Decimal.js, a JavaScript library that provides arbitrary-precision decimal arithmetic. I was intrigued, so I decided to give it a try.
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Rant - Javascript should be able to do simple f**king math by now
I too wish JS had a dedicated Decimal Type, but there is plenty of 3rd party libraries available like decimal.js
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The Last Breaking Change | JSON Schema Blog
For your particular example though, if we keep in mind that the input data to be validated is JSON-serializable, only a string could possibly accommodate the precision expected of a decimal from among the JSON-serializable JS primitives. You could use one or more regex patterns to describe the allowable permutations. The resultant schema would be cross-platform since it doesn't use custom keywords - nice! You can also use unions if you want to say that integers, NaN, and Infinity are also allowed per the docs there.
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Javascript precision with significant zeros
i've used Decimal.js to account for floating point issues in JS before. maybe this will help? I realize its not native and is a 3rd party lib - but its intent is to handle floating point issues and precision. That kinds sounds like the tree you're barking up right now. maybe it will help.
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I'm too afraid to ask
In the example provided, the name of the library is literally Decimal.js: https://mikemcl.github.io/decimal.js/
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[AskJS] Are there numeric textbox widgets with built-in support for big numbers like decimal.js?
I'm working on a project where users will enter numbers like 9,999,999,999.99999 (up to 15 digits, up to 5 of them decimal) and we are having a problem with Numbers losing precision beyond certain number of digits (a typical issue for IEEE Standard 754 Floating Point Numbers, the 0.1 + 0.2 problem). I've solved this problem in a few projects before with the help of decimal.js or bignumber,js . In those cases, we kept user-input as strings and used a few custom-made numeric textbox widgets to accommodate this. Unfortunately, those widgets were proprietary... Now I need one again, but can't find anything. Do they exist?
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Show HN: I made a web-based notepad with a built in unit calculator
Looks good! I love the idea of the embedded calculator
I noticed that it doesn't handle remainder/modulo (%) equations:
"10 % 2" results in: "Left hand side of addition cannot be a percentage."
It does look like decimal.js can handle that: https://mikemcl.github.io/decimal.js/#mod
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...
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[AskJS] How do you deal with floats in production apps?
https://github.com/MikeMcl/decimal.js/ great library
insect
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Show HN: Numbat – A programming language with physical dimensions as types
Apparently this replaces https://github.com/sharkdp/insect
- Insect – high precision scientific calculator with support for physical units
- The Icculus Microgrant is giving out 250 dollar grants to open source projects, please brag about your project(s) in this thread so I can see them!
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What projects do you wish there was a self hosted version of
You might like https://insect.sh/ ;)
- Show HN: I made a web-based notepad with a built in unit calculator
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ka: a calculator language for the command line
For the record I use insect.
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Looking to build a plugin for logseq. Your problems needed!
https://github.com/sharkdp/insect seems to be somewhat similar, but it's mostly for physical units. However, it's the only opensource one that is embeddable.
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Ask HN: Do you use a physical calculator in your day job, and why?
Insect: https://github.com/sharkdp/insect
It is a bit slow but has decent features, including some physical units support.
I set up Tilda (or another Guake equivalent; I tried a bunch of them and can’t remember on which I settled in the end) to run it automatically when a terminal is opened, when pressing Scroll Lock. It’s quite neat: when I need to do a quick calculation, I just hit Scroll Lock, which spawns a drop down terminal with the focus; then type whatever I want to calculate; then control-D to dismiss the drop down terminal and I am back in whatever I was doing without moving either hand off the keyboard.
I do more or less the same thing on my Mac with Alfred.
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Kagi Search – Public Beta
I'm in the same boat and will pay for Kagi, though I have a different interaction with a search engine and thought you might like the counterpoint. Notably, I don't use Google for most of what you described:
Translation: I use DeepL instead (google is doing poorly on Asian languages)
Conversion: not having much need for imperial but I use this for all unit conversion (though usually directly in my terminal): https://insect.sh/
Wikipedia: if I type Wikipedia+something my browser automatically use the wiki engine (chrome can do that too)
Word definition: on OSX I long press on the trackpad and the definition pops up (across languages, translation too for single words)
Lyrics: Spotify show them now! (admittedly that's a recent feature)
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anyone know a calculator that can count to unreasonably high numbers? I'm talking x*10^1000 and stuff??
insect.sh goes up to about 109 × 1015.
What are some alternatives?
mathjs - An extensive math library for JavaScript and Node.js
kalk - Scientific calculator with math syntax that supports user-defined variables and functions, complex numbers, and estimation of derivatives and integrals
bigint-money - A Money class for high precision calculations using the ESnext bigint type.
TRex - Copy any text on your screen, stop retyping.
0.30000000000000004 - Floating Point Math Examples
uom - Units of measurement -- type-safe zero-cost dimensional analysis
liveCalc - having fun with arithmetic
Copyfish - Copy, paste and translate text from images, videos and PDFs with this free Chrome extension
Brick\Math - Arbitrary-precision arithmetic library for PHP
macOCR - Get any text on your screen into your clipboard.
eslint-plugin-big-number-rules - Enforce (or automatically fix) finance-safe calculations using BigNumber or similar libraries.
calc - C-style arbitrary precision calculator