Some of us, pre-write our responses, When discussing amps and cabinets, being able to the recognized symbol, say ohm is helpful. There are times, that a sub script or superscript, is useful again when discussing the inside of amps, and the components and Nashville notation. While this is not a technical forum, these tweeks would be helpful. (By the way I can sneak in ASCII code in °°° (alt 248 on the numeric keyboard)). I have tried to import greek letters, but the font defaults times roman or arial, or forbid, courier. related to this, I like your limited emojis.