Oche Ezumike Oche Sempoa na-ejikọta mmụta omenala na arụmọrụ ọgbara ọhụrụ. Site n'ike mmụta e nwetara n'aka Soroban abacus nke Japan, ọ nwere azụ oche nwere mkpụrụ na-akpụgharị nke na-enye ma mmekọrịta site n'imetụ aka na mmetụta nke ịhịa aka n'ahụ dị nro. Mkpụrụ ndị a, nke etinyere n'osisi ígwè na-adịghị ata nchara ma jiri okpokolo osisi a gbagọrọ agbagọ nke na-agbanwe agbanwe jide, na-aga n'otu n'otu n'ahụ onye na-eji ya. E jiri mbọ osisi siri ike na-agafe agafe rụọ ya, nhazi a na-edozi nguzozi n'etiti ịma mma ahaziri ahazi na ike ịdịgide adịgide, na-eme ka o nwee nkwụsi ike, ụdịdị, ma na-akpọ mmekọrịta onye ojieme.

Aha oru ngo : Sempoa, Aha ndị na-emepụta ya : New Elegant Co., Ltd, Aha onye ahịa : New Elegant Co., Ltd..

Mgbe ụfọdụ ị ga - achọ ndị otu nnukwu ihe ngosi nka nwere ịchepụta ihe dị oke mma. Kwa ,bọchị, anyị na-ewepụta otu egwuregwu pụrụ iche na -enweta ihe okike na otu okike. Choputa ma choputa ihe okike na ihe okike zuru oke, ezigbo ihe ejiji, ejiji, eserese di iche-iche na atumatu atumatu atumatu ndi otu n’uwa n’uwa. Nwee ike mmụọ nsọ site na ọrụ mbụ site n'aka ndị omenkà ukwu.