Isimelo (kwezezimali)

Kwezodandaniswa kwezezimali, isimelo siwumngakonani wenani elikweletwa ngumenzo wezezimali. Ngokobuchule, siyinani umenzo othile okulindeleke ukuba ulikhiphe esikhathini esizayo ukuze wanelise isibopho samanje esivela ezenzakalweni ezedlule.  Inani elikhishwayo ukuze kukhokhelwe isimelo lingase libe yingcebo ezodluliselwa noma inkonzo ezokwenziwa.