Leḥsab n yiwen n usɣar n useklu n kraḍ n yiɣezran

Leḥsab n yiwen n usɣar n useklu n kraḍ n yiɣezran

Ttxil sken-d lqis s milimitren

X - Tiɣzi n usɣar
Y - Taɣzi n usɣar

Z - Taɣect n uẓar
W - Tehri n uẓar

S - Amḍan n yiḍrisen ibedden
P - Imeẓla
N - Sken-d uṭun n uḥric

Taɣerɣert n sqef n useklu tesɛa iferdisen ay d-yettgen tiɣbula n tlemmast n tlemmast.
Taɣzi n tmeẓdiyin n useklu i d-yettwassumren d ma ulac 20% seg teɣzi n tmeẓdiyin.
Ahil ad iḥess azal n tɣawsiwin ilaqen, ad d-yessken isura n tmeẓdiyin d tɣawsiwin ilaqen n yiferdisen.