I've sent an email.

Hi,

Please told them to sign in and prolong the graduation date. There will be button available just after sign in.

Hi,

Academic accounts are limited to physical modelling only. 

Reverse engineering requires read access to the metadata tables. Oracle database  has tables called like: all_objects,  all_synonyms  etc.

Hi,

This is fixed now. Please check.

Hi,

Thanks for the bug report. We'll fix it ASAP.

Hi,

Yes, this can be caused by size of the window (aspect ratio of your screen).  We'll fix it.