qalculate | Powerful and easy to use desktop calculator - transitional | Mehr ...
Qalculate! is small and simple to use but with much power and versatility underneath. Features include customizable functions, units, arbitrary precision, plotting, and a graphical interface that uses a one-line fault-tolerant expression entry (although it supports optional traditional buttons). . This is a transitional package that can be removed once you installed qalculate-gtk.
qalculate-gtk | Powerful and easy to use desktop calculator - GTK+ version | Mehr ...
Qalculate! is small and simple to use but with much power and versatility underneath. Features include customizable functions, units, arbitrary precision, plotting, and a graphical interface that uses a one-line fault-tolerant expression entry (although it supports optional traditional buttons). . This package contains the GTK+ user interface of qalculate.