Title: Abacus
Application Number: 200420091894 Application Date: 2004.10.08
Publication Number: 000000000 Publication Date:
Approval Pub. Date: 2006.02.01 Granted Pub. Date: 2006.02.01
International Classifi-cation: G06C1/00;G06C3/00
Applicant(s) Name: Gan Shanyuan Address:
Inventor(s) Name: Gan Shanyuan;Lu Xiuping
Attorney & Agent: liu mopei
Abstract:
    The utility model relates to an abacus. It includes an abacus main body which is made up by an abacus frame and abacus beads which are assembled in the frame; one side of the abacus main body is equipped with a multiply divide conversion table which is in integrity with the abacus main body. This abacus can read the product of the multiple dependency number directly from the conversion table, then it only need to conduct simple plus of minus. This abacus can conduct the computation of add, minus, multiply and divide; its structure is simple, it is convenient to use, its manufacture cost is low; it is suitable to by used by students, accountants and cashiers.
Time: 8