Akwa Akwụkwọ Na Mkpuchi Uwe Abacus bụ akwa akwa akwa mgbidi na-arụ ọrụ dị iche iche na akwa mkpuchi sitere na nguzozi abacus nke China na nguzozi ígwè. Abacus nwere ihe mgbochi osisi nwere akụkụ dị ọcha yana okporo ụzọ waya abụọ na-efe efe. Nko ndị dị nchara dị mfe nwere ike ịgafe n'akụkụ waya. Nko ndị ahụ nwere ike izobe n'azụ ihe mgbochi ndị ahụ, nke a pụkwara iji dị ka akwụkwọ mpịakọta na uwe mkpuchi. Ndị ọrụ nwekwara ike kpọgidere ihe n'etiti okporo ígwè. Enwere ike ịgbatị Abacus site na ịwụnye nhazi ndị ọzọ.

Aha oru ngo : Abacus, Aha ndị na-emepụta ya : Wai Ho Cheung, Aha onye ahịa : Wai Ho Cheung.

Designskpụrụ dị mma mepụtara uru maka ọha mmadụ. Kwa ubochi anyi n’egosiputa ihe nlere puru iche nke n’egosiputa lence kachasi nma. Taa, anyị nwere obi ụtọ igosipụta atụmatụ mmeri nke na-eme ezigbo mgbanwe. Anyị ga-egosipụta ọtụtụ atụmatụ dị egwu ma na-akpali akpali kwa ụbọchị. Gbalia ileta anyi kwa ubochi iji kirie ihe omuma ohuru ohuru na oru ndi okacha amara n’uwa dum.