tc39/proposal-decimal

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Built-in exact decimal numbers for JavaScript

Stars: 638
Forks: 20
Open beginner issues: 0
Indexed issues: 54

Dominant language: HTML
License: No license data
Last GitHub push: Jun 30, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

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54 open issues indexed

this proposla is top slow, when can go to next stage? Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

tc39/proposal-decimal#203 · Opened Jan 7, 2026
Adding decimal support to BigInt primitive Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#202 · 7 comments · 1 reaction · Opened Jan 6, 2026
The link to bigdecimal-reference.md is not working Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

tc39/proposal-decimal#193 · Opened May 21, 2025
This proposal, which I haven't checked in on for a while, has taken a disappointing turn Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#192 · 2 comments · 7 reactions · Opened May 13, 2025
Will we support Decimal128Array? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#191 · 1 comment · Opened Apr 16, 2025
Will Decimal be deterministic? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#189 · Opened Apr 4, 2025
Task: add concrete use cases to the readme Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

tc39/proposal-decimal#187 · 3 comments · Opened Mar 13, 2025
How should decimal interact with measure? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#185 · 4 comments · Opened Jan 13, 2025
Thoughts on Exactness Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#181 · 14 comments · Opened Oct 10, 2024
Thoughts on Precision in Decimal Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#175 · 17 comments · 3 reactions · Opened Sep 4, 2024
Suggestion: Check out DEC64 for insight Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#174 · 1 comment · 2 reactions · Opened Aug 16, 2024
Completely remove NaNs, infinities, signed zeroes and quantums. Remember their original motivation Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#172 · 8 comments · 4 reactions · Opened Jul 28, 2024
Add mode, which throws error in case of overflow (COBOL had this mode for many decades!) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

tc39/proposal-decimal#171 · Opened Jul 28, 2024
June spec review Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

tc39/proposal-decimal#155 · 7 comments · Opened Jun 11, 2024
Primitive in the future Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#120 · 8 reactions · Opened Apr 11, 2024
Provide shim library / libraries to allow drop-in replacement of MikeMcl's OSS libraries? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#119 · 3 comments · Opened Apr 11, 2024
Comparisons Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#116 · 5 comments · Opened Apr 9, 2024
Normalization in other implementations Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#89 · 6 comments · Opened Nov 27, 2023
Implementation experience in GraalVM and use case in Oracle Database Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#83 · 2 comments · 4 reactions · Opened Aug 21, 2023
I've written a full BigDecimal implementation polyfill. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#82 · 2 comments · 4 reactions · Opened Aug 10, 2023
Existing decimal usage in the web platform Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#80 · 5 comments · 7 reactions · Opened May 22, 2023
Trading platforms are moving to JavaScript Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#79 · 3 comments · Opened May 21, 2023
How fast can decimals be if implemented in userland? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

tc39/proposal-decimal#78 · 4 comments · 1 reaction · Opened Mar 15, 2023
What constitutes a sufficiently compelling use case? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#73 · 2 comments · Opened Feb 2, 2022
JSBI-calculator may somewhat match the purpose of this BigDecimal proposal. Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

tc39/proposal-decimal#70 · 4 reactions · Opened Dec 10, 2021
Current thoughts on Decimal128 vs BigDecimal? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#66 · 7 comments · Opened Sep 30, 2021
Example where 1/3 + 1/3 != 2/3 Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

tc39/proposal-decimal#63 · 11 comments · 4 reactions · Opened Sep 12, 2021
If Decimal128 is supported, should those methods and options be added to `Number`? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#62 · 3 comments · Opened Aug 30, 2021
Replace built-in types? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

tc39/proposal-decimal#57 · 4 comments · 1 reaction · Opened Aug 2, 2020
The syntax clashes with the International System of Units Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

tc39/proposal-decimal#56 · 4 comments · 7 reactions · Opened May 30, 2020
Why wouldn't JS Decimal work for you? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#52 · 5 comments · Opened Feb 18, 2020
Object with operator overloading + literals? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#51 · 6 comments · Opened Feb 18, 2020
Document more about challenges in the current ecosystem Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

tc39/proposal-decimal#48 · 1 comment · 1 reaction · Opened Feb 4, 2020
Decimal work plan Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#45 · 11 comments · 11 reactions · Opened Jan 15, 2020
Semantics of comparison between BigDecimal and Number Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#41 · 1 comment · Opened Jan 8, 2020
How should the BigDecimal constructor round Numbers? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#40 · 7 comments · 1 reaction · Opened Jan 8, 2020
Instance or static methods for non-operator calculations? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#37 · 3 comments · 2 reactions · Opened Jan 8, 2020
Do we support hexadecimal literals? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tc39/proposal-decimal#36 · 9 comments · 1 reaction · Opened Jan 7, 2020
Should BigDecimal use operator overloading and primitives, or methods and objects? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

tc39/proposal-decimal#35 · 3 comments · Opened Nov 30, 2019
BigInt + Scale Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#32 · 16 comments · Opened Nov 21, 2019
Don't do it. Open

documentation stage 2 blocker

Difficulty 5/5 Over a week Newbie friendliness 15/100

tc39/proposal-decimal#31 · 31 comments · 31 reactions · Opened Nov 20, 2019
Why “big” decimal? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#30 · 3 comments · 5 reactions · Opened Nov 19, 2019
How optimizable is BigDecimal? Open

documentation stage 2 blocker

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#27 · 12 comments · 1 reaction · Opened Nov 17, 2019
Investigate experience from BigDecimal use in the JS ecosystem Open

stage 2 blocker

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#22 · 6 comments · Opened Nov 13, 2019
Potential WebAssembly support for Decimal Open

future proposal

Difficulty 5/5 Over a week Newbie friendliness 18/100

tc39/proposal-decimal#21 · 1 comment · 10 reactions · Opened Nov 13, 2019
Rounding modes Open

stage 2.7 blocker

Difficulty 5/5 Over a week Newbie friendliness 20/100

tc39/proposal-decimal#19 · 2 comments · 2 reactions · Opened Nov 13, 2019
JSBI-style polyfill: Volunteers wanted! Open

documentation

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#17 · 9 comments · 1 reaction · Opened Nov 13, 2019
Details of BigDecimal64Array and BigDecimal128Array Open

stage 2.7 blocker

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#16 · 1 comment · Opened Nov 13, 2019
Intl.NumberFormat support Open

stage 2.7 blocker

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#15 · 5 comments · Opened Nov 13, 2019
What library features should BigDecimal have? Open

help wanted stage 2.7 blocker

Difficulty 5/5 Over a week Newbie friendliness 25/100

tc39/proposal-decimal#14 · 31 comments · Opened Nov 13, 2019

tc39/proposal-decimal

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