As of 1 April 2026, the PSJD database will become an archive and will no longer accept new data. Current publications from Polish scientific journals are available through the Library of Science: https://bibliotekanauki.pl
In this study, we defined null quaternionic Bertrand curves in R₁⁴. The only Bertrand null quaternionic curves in R₁⁴ are null quaternionic helices with (p-τ)=0.