Hitting the 'Chr' key will give you a list of additional characters. Then you have to scroll to the second screen (there is an 'up' and 'down' arrow, which is kinda pointless because there are only two screens and you'll get there with either arrow).
Wow -- somehow that tidbit of knowledge managed to elude me all this time! I've just be copying & pasting other people's curly braces. Same thing with the pipe symbol.