This is not a typo.pic.twitter.com/301t8UYeMy
Show this thread
-
Beyond me. But fascinating. I think.
The big Σ thing just means to add up everything. e.g Σk = (1+2+..n)
-
-
You can also swap the summation symbol with T(n) which represents the Triangular Numbers.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.