Qalculate! iyi-multi-purpose cross-platform desktop calculator. Kulula ukuyisebenzisa kodwa inikeza amandla nokuguquguquka ngokuvamile okugcinelwe amaphakheji ezibalo ayinkimbinkimbi, kanye namathuluzi awusizo ezidingo zansuku zonke (njengokuguqulwa kwemali kanye nokubalwa kwamaphesenti). Izici zifaka umtapo wezincwadi omkhulu wemisebenzi engenziwa ngendlela oyifisayo, ukubala kweyunithi nokuguqulwa, okungaguquki ngokomzimba, izibalo ezingokomfanekiso (okuhlanganisa okuhlanganisayo nezibalo), ukunemba okunganaki, ukusabalalisa ukungaqiniseki, izibalo zesikhawu, ukuhlela, kanye nesixhumi esibonakalayo esisebenziseka kalula (i-GTK+ ne-CLI).