Asus ROG strange kay

[arsen99]

Hello
Can someone tell me what is this strange key next to slash with Republic of game logo on it. How can I use it? Has it some function? Can I program it?

Thanks

 

[CountMike]

It's just a normal, vertical slash, part of ANSI character code. Used mainly in programing "|"
https://msdn.microsoft.com/en-us/library/aa245259(v=vs.60).aspx