I-inthanethi yokubala idirowa yefenitjhara
N - Inani lamakhabethe wefenitjhara.
Y - Ukuphakama kwesikhala sangaphakathi.
X - Ububanzi bokuvuleka kwangaphakathi.
Z - Ukujula kwesikhala sangaphakathi.
A - Ukuphakama kwamaboda webhokisi.
B - Ibanga ukusuka phasi kwebhokisi.
C - Ibanga ukusuka elayini ukuya ebodeni langemuva.
D - Ububanzi besikhala seenhlahlandlela zefenitjhara ezitjhelelako.
W - Ubukhulu beendonga zebhokisi lefenitjhara.
Iinkhetho zokuhlanganisa amaboda we-drawer
Iindlela zokubhadela nge-inthanethi.
I-calculator ikuvumela bona ubale ubukhulu nobunengi bezinto zokwenza amakhabethe wefenitjhara.
Indlela yokusebenzisa ukubala.
Cacisa ubukhulu obutlhogekako bokuvuleka kwangaphakathi.
Tjengisa inani lamabhokisi nobukhulu bawo.
Khetha indlela yokuhlanganisa amaboda wamakhabethe wefenitjhara.
Tlika ibhathini elithi Bala.
Njengomphumela wokubala, imidwebo yenziwa ngendawo yamabhokisi kanye nobukhulu beengcenye.
Njengomphumela wokubala, ungathola:
Ubukhulu bamaboda wangaphambili naseceleni wamakhabethe wefenitjhara.
Ubukhulu bephasi lamabhokisi.
Ubukhulu bendawo yangaphakathi ye-drawer.
Thola ubude obupheleleko bezinto zokwenza amaboda wamakhabethe wefenitjhara.