My book was destroyed. Could you restore it, please?

Spyros Nikolaides shared this problem 2 months ago
New

Some days ago, I copied my book. At the copied book, I made a lot of changes, delete many parts of my activities, leaving only the questions of each activity for teaching reasons. Unfortunately, I noticed that my initial book was changed at all, and much of the material, that I studied hours to prepare, was lost! Is there a way to restore (undo) my changed activities ?

Thanks,

Spyros N.

Comments (3)

photo
1

What's the link?

photo
1

That link seems OK - what should it look like?

photo
© 2021 International GeoGebra Institute