The 1st International Conference on  Computational & Applied Physics, ICCAP 2021, will be held from 26th  to 28th  September 2021. The Conference is organized by Surfaces, Interfaces and Thin Films Laboratory (LASICOM), of Physics Department in Sciences Faculty of Bilda1 University of Algeria. Academics, Researchers and Scientists from different domain of physics are invited to participate to this event. The Conference will have variety of Plenary Lectures, Oral Session and Poster Presentations.  The objectif of the conference is to provides opportunities for the delegates to exchange new ideas and application experiences to estabilish relations and collaboration with word-Renowed speakers. The conference provides also a plateform to discuss and an open meeting with word-Renowed speakers in all areas of Physics and their Applications