To cite package ‘schoolmath’ in publications use:

  große Schlarmann J (2026). _schoolmath: Functions and Datasets for
  Math Used in School_. R package version 0.5.1,
  <https://github.com/produnis/schoolmath>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {schoolmath: Functions and Datasets for Math Used in School},
    author = {Jörg {große Schlarmann}},
    year = {2026},
    note = {R package version 0.5.1},
    url = {https://github.com/produnis/schoolmath},
  }