Repository Issues

josdejong/mathjs

An extensive math library for JavaScript and Node.js

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Stars
 (15,068 stars)
Forks
 (1,315 forks)
Indexed issues
 (71 indexed issues)
open beginner issues
 (71 open beginner issues)
Latest indexed
Aug 14, 2026
Last GitHub push
Aug 10, 2026
License
Apache License 2.0
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
JavaScript
PR merge metrics
 (No merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

71 indexed issues

Open
Cannot add BigNumber to a `number` matrix
bughelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3612 · Dec 16, 2025 · JavaScript · 15,068 stars

1 comment0 reactions0 assignees
Open
lgammaNumber incorrectly returns NaN for all n < 0
bugcategory:numericalhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3604 · Nov 27, 2025 · JavaScript · 15,068 stars

6 comments0 reactions0 assignees
Open
Schur result not quasi upper triangular
bugcategory:numericalhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3600 · Nov 22, 2025 · JavaScript · 15,068 stars

3 comments0 reactions0 assignees
Open
Nested derivatives fail
bughelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3528 · Sep 8, 2025 · JavaScript · 15,068 stars

3 comments0 reactions0 assignees
Open
Remove non-existing dependencies from index.d.ts
bughelp wantedtypescript
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3511 · Jul 22, 2025 · JavaScript · 15,068 stars

3 comments0 reactions0 assignees
Open
Documentation of Unit.format() is incomplete
category:unitsdocumentationgood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3440 · Mar 28, 2025 · JavaScript · 15,068 stars

6 comments2 reactions0 assignees
Open
Document the known undocumented functions/symbols
bugdocumentationgood first issuehelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3417 · Mar 10, 2025 · JavaScript · 15,068 stars

0 comments0 reactions0 assignees
Open
Extend `mod` to complex numbers properly
featurehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3410 · Mar 2, 2025 · JavaScript · 15,068 stars

2 comments1 reaction0 assignees
Open
simplify("(x^2)^0.5") should be "abs(x)"
bughelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3329 · Nov 29, 2024 · JavaScript · 15,068 stars

5 comments0 reactions0 assignees
Open
simplify `sqrt(x)*sqrt(x)`
featurehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

josdejong / mathjs · #3231 · Jul 10, 2024 · JavaScript · 15,068 stars

4 comments0 reactions0 assignees