Mu bintu byagiye bivumburwa n’abashakashatsi mu mateka y’isi cyangwa mu mateka y’Afurika, akagufa kitwa “Ishango Bone” n’akandi kitwa “Leboombo Bone” dushobora kuba tuzwi na benshi. Umwarimu w’Amateka Prof Antoine Nyagahene yahaye Taarifa inyandiko ibisobanura: Yakomeje agira  ati: Kuba turiya tugufa twagerereranywa n’akagufa k’izuba (kariya ka “Ishango Bone”), cyangwa n’akagufa k’ukwezi (kariya ka “Lebombo bone”) byo … Continue reading Kalindari Y’Abanyarwanda Ba Kera, Mubazi(Calculator)Ya Mbere Mu Mateka…