Is it allowed to adjust a geogebra app we found on internet.
It is allowed to download the app?
Do we need to ask for approval from the author or do we just need to mention the author?
you can download and modify all the public files made with GeoGebra.
Mentioning the author is an act of kindness and showing that their hard work was inspiring.
Fore more info see https://creativecommons.org...
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