Tsarin lamba
Tsarin lamba yana ƙayyade lambobi nawa amsa take nunawa. Don tsayayyen adadin lambobi bayan ɗigo, ku danna 
, 
, 
don Fix, sai lamba ɗaya daga 0 zuwa 9: 
yana ba da lambobi uku bayan ɗigo. Don adadin muhimman lambobi, ku danna , , 
don Sci, sai lamba ɗaya: 
yana ba da lambobi biyar. Don tsarin al'ada kuma, ku danna , , 
don Norm, sannan 
ko 2. Norm 1 shi ne na asali. Norm 2 yana barin ƙananan lambobi a siffar al'ada na ɗan lokaci kafin ya koma ƙarfin 10.