Not really sure what this is about Mathematics Posted by louisedock on March 22, 2015March 22, 2015 Some have apparently done some calculations and come up with the fact that 25 years ago myself and others graduated from 9:th grade (which you can say is the equivalent of 8:th grade in the US). This makes it time for – reunion. Exciting. Share this: Click to email a link to a friend (Opens in new window) Email Click to share on Threads (Opens in new window) Threads Click to share on Bluesky (Opens in new window) Bluesky Click to share on Mastodon (Opens in new window) Mastodon Like Loading...