What does this $\infty$-like symbol mean?
56741
What does the sign $\propto$ mean?
115053
What is this strange symbol in Microsoft Word and how can I use it?
27742
What does "${-#*i}" != "$-" mean?
29444
Weird large K symbol
92375
What does the "L" mean at the end of an integer literal?
51434
What does the symbol $\subset\subset$ mean?
105772
Definition of $\mathbb{R}^\infty$
119974
What does << mean in Java?
133569
What does the double slash mean in `${f// /_}`?
25511
I get weird > symbols in my output — what does it mean?
113005
What does this notation mean? $f(x) \equiv A$?
50151
"Closed" (square) root symbol
130695
What does this symbol in the schematic represent?
60388
Symbol request for a mysterious symbol
25646
What is the result of $\infty - \infty$?
134540
What does the tilde (~) mean at the end of a filename?
47562
Confusion in symbol of subset.