“Computation at the Cutting Edge of Science” - it is a slogan of the International Conference on Computational Science (ICCS 2023), an A-rank conference in the CORE classification. Since 2001, ICCS annually brings together researchers and scientists from mathematics and computer science, as well as from other areas pioneering computational methods in science. Average attendance of the conference each year is about 350 participants. Submission of papers and participation in this event is an important achievement for scientists.