https://b.hatena.ne.jp/entry/s/psicode.org/ We're Fast PSI4 uses the latest techniques like density-fitting, and is optimized for multi-core execution of DFT, MP2, SAPT, and coupled-cluster. We're Modular PSI4 is a C++/Python core that easil... https://b.hatena.ne.jp/prototechno/20180121#bookmark-355176831 2018-01-21T08:38:34Z https://b.hatena.ne.jp/mercure/20080728#bookmark-6648648 2008-07-28T02:04:18Z science chemistry psi3 https://b.hatena.ne.jp/cobodo/20071130#bookmark-6648648 2007-11-29T15:50:19Z 化学