Did you downvote me for correcting you ? The guy still doesn ' t know what he ' s talking about . ODE is really subset of PDE ' s . Understanding partial differential equations is no trivial task . I ' ve taken 331 and it is NOT , under any circumstance , an easier version of Math 222 . Rather , you have to know some of the methods of 222 to do well in 331 . <| sep |> I COME THROUGH ONCE AGAIN . Forgot to actually buy it , the adrenaline was pumping too fast <| sep |> Snapshots 1 . This Post , could not autoarchive click to resubmit it ! , , 1 url could not autoarchive click to resubmit it ! I am a bot . rSnapshillBot messagecompose ? torSnapshillBot <| sep |> No , racism is different than ethnic stereotypes . Europeans made it scientific and made these differences essentualist . So no one else but europeans had racism . Note ethnic stereotypes is not racism ie Japan in WWII had ethnic and cultural supremacy but not racism in the European sense