Miscellaneous Utilities - mostly scientific or programming utilities Comment/Uncomment - marks text in Pascal or C source code as comments. Special Key - by Andrew Welch inserts four characters symbolizing command key, checkmark, apple character. These can be viewed in a document if they are in the Chicago font. Clipboard Dump - turns the clipboard contents into a hex dump. Constant Values - any math or physics constant like π or e that is highlighted or in the clipboard is replaced with its value.