Had to restart twice because I ran out of time.
Had to guess that T=1
would of been nice to have the torn paper pieces snap together when close and either remain when you leave the screen or copy to notes.
Also entering the code at the door was a bit wonky, you have to click on the entry box with your mouse to get a cursor then type it on the keyboard - would be nice to be all mouse.
Didn't find any eggs other than code clues.