⌂
⚲
?
✕︎
clip:255306
clip:255306
clip:255306
clip:255306
clip:255306
clip:255306
clip:255306
clip:255306
clip:255306
hi
{"x":0,"y":0} to {"x":0,"y":0}
Copyright © details on Wikimedia Commons.
Mathematical Annex UBC 01.jpg
▦