Title: Simple calculating appliance
Application Number: 200410082861 Application Date: 2004.12.06
Publication Number: 1786863 Publication Date: 2006.06.14
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G06C1/00
Applicant(s) Name: Zheng Zhijie Address: 110013
Inventor(s) Name:
Attorney & Agent: xu zongfu
Abstract:
     The invention provides a simple calculating tool, having a grooved main body and an operator able to move in the groove region of the main body, where the main body can be an object of arbitrary shape whose top surface is roughly a plane; the groove comprises ten spaced transverse lines, thus forming nine spaces, the numbers 1-9 are in turn marked in the space on one side of the groove and the numbers 9-1 are in turn marked in the space on the other side of the groove; and there is only one operator of a monomer structure able to move at will. The invention can rapidly make simple integer addition and multiplication operations, simply-structured and multiform, having research value and interest and able to be made into artistic ornaments or souvenirs.
Time: 15