Description of CharView program at Mac Shareware: CharView allows you to type unusual characters from keyboard. It displays all of the symbols of a selected font, allowing you to quickly choose between the different character sets.

Main features:
- system-wide utility window (floating above documents windows)
- menu icon (small icon shown in menubar, CharView main window hidden before the user moves the mouse pointer into this icon)
- auto-iconify (if you want it to be visible at any position on the screen as a small icon)
- view font symbols in ASCII (256 chars) or Unicode (entire font)
- auto-zoomed (magnified) symbol in table without a click
- copy symbol to the clipboard and insert it into the frontmost application with one click
- insert symbol, it's HTML entity, decimal or hexadecimal code into the frontmost application with one click from contextual menu
- fully resizable window
- up to 20 of the last used fonts remembered
- fonts grouped by families for fast searching of fonts
- editable font name field for fast switching fonts
- works with all native OS X, OS X Classic applications

CharView is a free to try software. You can free download and try it for an evaluation period.