Для openSUSE Factory PowerPC запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/science/openSUSE_Factory_PowerPC/science.repo
zypper refresh
zypper install mathomatic
Для 16.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/science/16.0/science.repo
zypper refresh
zypper install mathomatic
Для 15.7 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/science/15.7/science.repo
zypper refresh
zypper install mathomatic
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/science/15.6/science.repo
zypper refresh
zypper install mathomatic