Thank you very much Joachim for the valuable guidance. Next time I will use ubuntu-bug. However, for this bug I found a trick, that is, to install tuxmath package from the next Ubuntu release, Impish Indri. It works on Hirsute without issues I reported above.
Regards, Malsasa -- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to tuxmath in Ubuntu. https://bugs.launchpad.net/bugs/1936746 Title: Segmentation fault on 21.04 Hirsute Hippo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/tuxmath/+bug/1936746/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~edubuntu-bugs Post to : [email protected] Unsubscribe : https://launchpad.net/~edubuntu-bugs More help : https://help.launchpad.net/ListHelp

