Videos produced by the Colombian engineer Julio Alberto Rios Gallego "Julioprofe", with detailed explanations of exercises and problems of Mathematics and Physics, to support students, teachers and parents in the learning and teaching processes of these important disciplines.

■ To coordinate the participation of Julioprofe in events, conferences, interviews or to discuss commercial matters, please contact Mr. Eduardo Valencia, at julioprofenet@gmail.com

■ For personalized classes with the team of teachers endorsed by Julioprofe, please contact the CENTER FOR THE CONSTRUCTION OF KNOWLEDGE C³ in Cali (Colombia), email conexion.c3@gmail.com, cell phone and WhatsApp +57 3164495879 or on Facebook: goo.gl/O8DivB