Bachama (Bachama) ko ɗemngal Afro-Asiatic haalanki nder lesdi Naajeeriya nder Diiwal Aadaamawa, ko ɓuri heewde e nder Numan, Demsa e nokkuure laamorde (hukuma pamarun) Lamurde eYimɓe Bwatiye. Ɗe ɗemɗe ɗe Mulyen, Opalo, e Wa-Duku. Bachama-Yimburu ina wondi ɗemngal ngal hawti e maɓɓe, amma ngal hawti.  Bachama huutoroo bana ɗemngal jaaynde. Ɗemngal ngal ina foti anndude e Bata.

Limɗe 
Bachama ina woodi sistem limngal decimal/kinary, bee 5 e 10 bana base:

8 woni 4-4, 6 e 7 ɗon jeyaa dow ɓeydude 5, nden 9 ɗon ma'ana " (10) minus 1".

Misaalu ɗemɗe nder Bacama 

Lenyol Biu-Mandara
Ɗemɗe
Ɗemngal