I need to install geogebra 5 (instead of version 6)
I download geogebra 5 from https://www.geogebra.org/download?lang=de
I clicked on the deb-file. It comes an answer in the repository like "installation failed file is not supported".
Does anybody know how to suceed?
I download geogebra 5 from https://www.geogebra.org/download?lang=de
I clicked on the deb-file. It comes an answer in the repository like "installation failed file is not supported".
Does anybody know how to suceed?