Under Code Tables allows you to see every character supported. Check blocks you often use then click Done to close.
Note: This tool may also be available in the menus of some text editors as Emoji and Symbols. In the upper right of your desktop, click the flag icon to open the list of activated keyboards and select Show Character Viewer.Note: In El Capitan, this is called Symbols & Emoji. In the Keyboard window, check the option Show Keyboard and Character Viewers in menu bar at the bottom of the window.Go to the Apple menu and open Systems Preferences.El Capitan/Yosemite/Mavericks Activate Viewer
