| 摘要 |
PURPOSE:To prevent that a code can not be inputted by forgetting the code by displaying a designated part by a means to specify one part of a code symbol to be displayed when the one part of the code symbol is instructed. CONSTITUTION:When a user instructs (S1) the displaying of the one part of the code symbol, a displaying part specifying part specifies which part of the code symbol is displayed and a one part displaying part displays (S2) the specified one part. When the user sees the displaying of the one part and inputs the whole code symbol (S5), a collating part collates it with the code symbol of recorded information, when they coincide, a normal transaction processing is executed and when they do not coincide, a nonconformity processing is executed. |
