galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different number bases (DEC, HEX, OCT, BIN) and different units of angular measure (DEG, RAD, GRAD).
Precise Calculator Alternatives for Xfce
Precise Calculator is not available for Xfce but there is one alternative with similar functionality. The best Xfce alternative is galculator, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 100 alternatives to Precise Calculator, but unfortunately only one of them is available for Xfce. If you can't find an alternative you can try to remove all filters.