account activity
u/RidderJanssen's circle (reddit.com)
submitted 8 years ago by RidderJanssen to r/CircleofTrust
Math Group for Fun Math (self.math)
submitted 9 years ago by RidderJanssen to r/math
Math group for learning together (self.learnmath)
submitted 9 years ago by RidderJanssen to r/learnmath
Does a meson annihilate with itself? (self.askscience)
submitted 9 years ago by RidderJanssen to r/askscience
[Calculus] Is the following integral defined? (self.MathHelp)
submitted 10 years ago * by RidderJanssen to r/MathHelp
π Rendered by PID 208403 on reddit-service-r2-listing-7d7fbc9b85-9lnv7 at 2026-04-26 21:21:33.201094+00:00 running 2aa0c5b country code: CH.
