@AlexFrancisco Ehhh, well, for the time being I have absolutely nothing to do all day, so I am pretty much all day in front of my PC ;-), although in a week or so I will have less time
@AlexFrancisco Done. Please help with the pinned posts as well. By the way for δ4 there is a trivial solution; multiply by (1−1/2^n), but even mentioning it is putting in more effort than the asker...
@JoséCarlosSantos pinned questions show up with an outlined star, in the panel on the rightmost side of the screen, below the list of icons of users in the room.
(Also, "starred" posts, show up, if there aren't "pinned" posts filling up the side bar.)
@JoséCarlosSantos Besides what amWhy mentioned, if your screen does not show it you can also access the star board directly here, where pinned posts are outlined there as well.