Computation (ISSN 2079-3197) is an international open access journal of computational science and engineering. It focuses on publishing regular research papers and reviews. The aim of Computation is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. There is no restriction on the maximum length of the papers. Full experimental details should be provided so that the results can be reproduced. There are, in addition, unique features of this journal: manuscripts regarding research proposals and research ideas will be particularly welcomed computed data or files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material manuscripts concerning summaries and surveys on research cooperation and projects (that are founded by national governments or others) provide information for a broad field of users