Issues

• Expression parser unnecessary assignment

  josdejong/mathjs#3707 · Filter by author ACodingSeal opened on Oct 1, 2026

• Infinite loop when rationalizing

  josdejong/mathjs#3704 · Filter by author khanybaba opened on Sep 23, 2026
  1

• Infinite loop when simplifying

  josdejong/mathjs#3693 · Filter by author khanybaba opened on Sep 8, 2026

• simplifying linear expressions

  josdejong/mathjs#3692 · Filter by author khanybaba opened on Sep 3, 2026

• are trigonometric function broken ?

  josdejong/mathjs#3676 · Filter by author nycos62 opened on Jul 1, 2026
  2

• bug: setUnion returns wrong element order when sets overlap (intersection placed at end)

  josdejong/mathjs#3674 · Filter by author JSap0914 opened on Jun 30, 2026

• dotMultiply/multiply with Unit and array input returns the right runtime value, but the TypeScript overload is not right

  josdejong/mathjs#3660 · Filter by author AncientSwordRage opened on May 23, 2026

• Provide releases on GitHub

  josdejong/mathjs#3659 · Filter by author sebastienchevriaupro opened on May 7, 2026

• mapping a matrix with matrices

  josdejong/mathjs#3658 · Filter by author dvd101x opened on Apr 26, 2026

• Replace CommonJS-only dependencies with inline ESM code

  josdejong/mathjs#3649 · Filter by author andreialecu opened on Mar 26, 2026
  6

• splitUnit behavior does not match documentation

  bugcategory:units
  josdejong/mathjs#3644 · Filter by author Xuerian opened on Feb 16, 2026
  4

• Type annotation for mathjs.unit is not correct

  josdejong/mathjs#3637 · Filter by author mia-trilo opened on Jan 28, 2026
  1

• evaluate returns any instead of number

  josdejong/mathjs#3635 · Filter by author y-nk opened on Jan 14, 2026
  6

• parser apparently aliases the state argument to internal functions

  josdejong/mathjs#3629 · Filter by author gwhitney opened on Jan 7, 2026
  1

• mathjs expressions do not adhere to documented precedence table

  bug
  josdejong/mathjs#3621 · Filter by author gwhitney opened on Dec 22, 2025
  3

• unit("m ^ (1)") throws an error

  question
  josdejong/mathjs#3620 · Filter by author mlameiCT opened on Dec 18, 2025
  6

• Avoid unnecessary parentheses for Units with complex value when using format

  category:unitsfeaturehelp wanted
  josdejong/mathjs#3614 · Filter by author adrfantini opened on Dec 17, 2025
  4

• Accept var in place of VAR as unit for volt-ampere reactive, as specified by IEC and SI

  josdejong/mathjs#3613 · Filter by author adrfantini opened on Dec 17, 2025

• Cannot add BigNumber to a number matrix

  bughelp wanted
  josdejong/mathjs#3612 · Filter by author gwhitney opened on Dec 16, 2025
  1

• sparse() silently converts false entries to 0

  bug
  josdejong/mathjs#3609 · Filter by author gwhitney opened on Dec 10, 2025
  1

• Interesting consequence of current parsing rules

  josdejong/mathjs#3608 · Filter by author gwhitney opened on Dec 10, 2025
  5

• lgammaNumber incorrectly returns NaN for all n < 0

  bugcategory:numericalhelp wanted
  josdejong/mathjs#3604 · Filter by author pasabanov opened on Nov 27, 2025
  6

• Schur result not quasi upper triangular

  bugcategory:numericalhelp wanted
  josdejong/mathjs#3600 · Filter by author jacksonloper opened on Nov 22, 2025
  3

• Support Chinese punctuation like full-width parentheses

  category:expressionsfeature
  josdejong/mathjs#3593 · Filter by author josdejong opened on Nov 12, 2025
  5

• Clarify whether x is allowed to denote the identity function and support if so

  category:expressionsdesign decision
  josdejong/mathjs#3577 · Filter by author gwhitney opened on Oct 30, 2025
  1