bignumber.js
proposal-decimal
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bignumber.js | proposal-decimal | |
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16 | 16 | |
6,517 | 412 | |
- | 4.4% | |
3.7 | 7.8 | |
4 days ago | 4 days ago | |
JavaScript | HTML | |
MIT License | - |
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bignumber.js
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eslint-plugin-big-number-rules: Enforce finance-safe calculations (helps 0.1 + 0.2 really equal 0.3)
If you use floating-points for currency (instead of whole-numbers like you probably should) libraries like bignumber.js help keep your code away from the binary floating-point pitfalls of IEEE-754 which manifests in the standard JavaScript number type:
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Solving the "floating point precision" problem with... floats?
This issue (well, another one in a widely used JS library) is what brought me to dig deeper into these "arbitrary precision" libraries and understand why this happens. I thought they were using rational numbers, but that's not the case. And this is what led me to think about how to solve this problem.
- COBOL: Youβre thinking about it wrong β GCN
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Web 3.0 frontend stacks in 2023
ERC20 has decimals fields and must be handled with digit awareness. I wanted to use only one library, but I used both ether.js's BigNumber and bignumber.js (for display purpose).
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Handling currency values: facts and best practices
Most programming languages ( JavaScript, PHP, Go, Python, Java, C# ) have built-in support or 3rd-party libraries for handling this data type, even though the internal implementations can differ:
- BigDecimal equivalent. What do you use?
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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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Speeding up the JavaScript ecosystem - one library at a time
Either avoid floating-point, perhaps using BigInt, or use a library like BigNumber.js. (Incidentally, I wrote an eslint plugin to enforce its use.)
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Best way to deal with excessive decimal results in calculator
To solve the problem while JavaScript waits on its own BigDecimal API, you can use something like bignumber.js to perform your calculations.
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How can i prove that 0.1 + 0.2 = 0.3 is there like a function or ANYTHING i can do to bypass this error which occurs in most programming languages
You need to use something like BigNumber.js
proposal-decimal
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Bloomberg invests in Node.js β Shouldn't you?
Bloomberg are currently sponsoring Igalia to work on adding native Decimal number support to JavaScript.
https://github.com/tc39/proposal-decimal
This is an active proposal and was last discussed in the September 2023 meeting.
- Rant - Javascript should be able to do simple f**king math by now
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Wasmer takes WebAssembly libraries mainstream with WAI
would it be possible, for example, to access the standard decimal library of C# or Python via Javascript, thus not having to wait for the TC39 spec / implementation? [1]
[1] https://github.com/tc39/proposal-decimal
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Speeding up the JavaScript ecosystem - one library at a time
There's a BigDecimal TC39 proposal to bring this kind of thing to the native language, but until then you have to choose between accuracy and performance.
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Best way to deal with excessive decimal results in calculator
To solve the problem while JavaScript waits on its own BigDecimal API, you can use something like bignumber.js to perform your calculations.
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How can i prove that 0.1 + 0.2 = 0.3 is there like a function or ANYTHING i can do to bypass this error which occurs in most programming languages
TC39 is now advancing Built-in decimal datatype in JavaScript.
- GitHub - tc39/proposal-decimal: Built-in decimal datatype in JavaScript
- JavaScript Decimal Proposal
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Integer Math in JavaScript
given the popularity of javascript, it's about time we had better native tools for dealing with numbers in general, but it seems like the discussion is very slow on this front. for instance, the decimal proposal is still at stage 1 [1]. and no, BigInt does not solve that.
[1] https://github.com/tc39/proposal-decimal
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Funky problem with the math in my calculator?
In the future, JavaScript will hopefully get base 10 arithmetic: https://github.com/tc39/proposal-decimal
What are some alternatives?
jsbi-calculator - JSBI-Calculator is an IE11-compatible calculator utility to perform arbitrary (up to 18 decimals) arithmetic computation, with the help of JSBI-based BigDecimal.
0.30000000000000004 - Floating Point Math Examples
web3modal - A single Web3 provider solution for all Wallets
ecmascript-structured-clone
eslint-plugin-big-number-rules - Enforce (or automatically fix) finance-safe calculations using BigNumber or similar libraries.
proposal-relative-indexing-method - A TC39 proposal to add an .at() method to all the basic indexable classes (Array, String, TypedArray)
abitype - Strict TypeScript types for Ethereum ABIs
proposal-array-unique - ECMAScript proposal for Deduplicating method of Array
token-lists - π The Token Lists specification
proposal-uuid - UUID proposal for ECMAScript (Stage 1)
permit2 - πππ next generation token approvals mechanism
proposal-temporal - Provides standard objects and functions for working with dates and times.