What about adding Ctrl ~= to get ≈ ?
This is a characters that is often needed, be it in math or abreviating in a regular discussion. For instance: Linux ≈ FreeBSD
What do you think?
I think it is already there. From the config file:
239 <Compose first="~" second="=">≈</Compose>
Are you using a recent version?
You seem to have CSS turned off.
Please don't fill out this field.