The utility model discloses a stock's tablet of convenient count, it is used for the card to establish the transparent window that the tablet was marked to the type on the bottom plate to be used for showing the numerical display window of dialing mechanism on the bottom plate, to set up including bottom plate, setting, the whole bottom plate backs of all arranging in of dialing mechanism. It all arranges the dialing mechanism in the bottom plate backs, and when using, in a single day the digit is transferred, because the dialing mechanism can not touched by accident to sheltering from of bottom plate, avoids the accountancy capability to make mistakes.