The community will undergo maintenance on October 16th at 10:00 PM PDT and will be unavailable for up to one hour.
Этюд 28 книги "Физико-математические этюды с Mathcad и Интернет"
BHL или Заявка на Шнобелевскую премию.
The book "Physical and Mathematical Studies with Mathcad and Internet"
Color drawings, animations and files of the study 28