Modular calculate key dish

The utility model provides a modular calculate key dish, includes keyboard body and carries out the combo boxes body of lock with keyboard body, its bottom both sides of the combo boxes body are provided with the welt respectively, and the shaping has the cushion of the rectangular shape of a vertical setting between two blocks of welts, the higher authority and the combo boxes body lock of this welt, and it is continuous with the combo boxes body to pass through the ball pivot in the lower level, the welt is multilayer composite construction, and including the aluminium matter base plate of dual flocking, flocking layer surface shaping of its one side has one deck lightproof flannelette layer as mouse pad, and another side flocking face surface is then the shaping has the backing plate ofthe antistatic material layer of one deck as writing pen, drawing pen work panel, and long bar shaped cushion piece lower part shaping have with cushion size assorted recess, and long bar shaped cushion piece in the pivot as