Talk:Int64

High(Int64)=9,223,372,036,854,775,807=(2^63)-1. Note the minus 1.
Also I think a closing bracket (]) is missing from the text inside the math markup? --Bart (talk) 23:10, 15 August 2020 (CEST)

Err, no. It’s a half-open interval. It’s correct. Confer terminology for intervals. Kai Burghardt (talk) 07:47, 16 August 2020 (CEST)

Well, that's why I said "I think". I suspect not may people really understand this math expression.