plplot from science project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/science/openSUSE_Tumbleweed/science.repo
zypper refresh
zypper install plplot

For openSUSE Factory PowerPC run the following as root:

zypper addrepo https://download.opensuse.org/repositories/science/openSUSE_Factory_PowerPC/science.repo
zypper refresh
zypper install plplot

For 15.7 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/science/15.7/science.repo
zypper refresh
zypper install plplot

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/science/15.6/science.repo
zypper refresh
zypper install plplot