Hello! my name is Rodrigo Carlos Silva de Lima (Renji is only a nick name xD). In this moment i am a

Student in UFRJ (Federal University of Rio de Janeiro )

You can find some of my notes here (in portuguese ) and a lot of memes (jokes)

http://estruturaimperfeita.blogspot.com.br/2017/12/textos-gratuitos-de-matematica-para.html