Hi, GiNaC 1.8.3 has been tagged. The News: * series_to_poly() can be used from ginsh. * Fix power::to_polynomial() for posint exponents. * Fix power::subs() in some special cases. As always, happy hacking, and a lovely UN International Day for the Right to the Truth Concerning Gross Human Rights Violations and for the Dignity of Victims! (24 March) -richy. -- Richard B. Kreckel <https://in.terlu.de/~kreckel/>