Mokhoa oa rona o etelletsa pele ho nepahala ha liforomo, likhopolo tse bonahalang, mehlala e ka phetoang le meeli e hlakileng.
Tlhaloso ea calculator ka 'ngoe e na le lintlha tse kenngoang, foromo, liphetho, melao ea netefatso, mohlala le litlhaloso. Liteko tse iketsang li koahela liphetho tse emelang, maemo a lefela, lintlha tse fosahetseng, ho pota-pota le meeli ea bohlokoa.
Li-calculator tsa lichelete li sebelisa liforomo tse tloaelehileng tsa boleng ba chelete ka nako le tefo ea kalimo. Liphetho ha li kenyeletse litefiso, lekhetho kapa liphetoho tsa 'maraka ntle le haeba sesebelisoa se li kenyelletsa ka ho hlaka, 'me ha se keletso ea lichelete.
Lisebelisoa tsa bophelo li sebelisa liforomo tse tsebahalang tsa tlhahlobo empa li ke ke tsa ela ntlha e 'ngoe le e 'ngoe ea motho hloko. Liphetho ke tsa tlhahisoleseling feela 'me ha se keletso kapa tlhahlobo ea bongaka.
Likhakanyo tsa thepa li sebelisa sebaka se boletsoeng le likhopolo tsa tšenyo. Maemo a 'nete, litlhaloso tsa sehlahisoa le mekhahlelo ea odara ea mofani li lokela ho netefatsoa pele ho theko.