Tetravex ndi chithunzi chosavuta pomwe zidutswa ziyenera kukhazikitsidwa kuti manambala omwewo azikhudzana. Masewera anu amasungidwa nthawi yake, nthawizi zimasungidwa pa bolodi yofikira pamakina. …
Kuwerengera
Qalculate! ndi chowerengera chamitundumitundu chamitundu yosiyanasiyana. Ndi yosavuta kugwiritsa ntchito koma imapereka mphamvu ndi kusinthasintha zomwe nthawi zambiri zimasungidwa pamaphukusi ovuta a masamu, komanso zida zothandiza pa zosowa za tsiku ndi tsiku (monga kusintha ndalama ndi kuwerengera peresenti). …

