An electronic cash register.

摘要

An electronic cash register for use with a price-look-up table includes a recording medium for recording item codes and the corresponding item prices, and a reader for reading the data from the recording medium detachably connected thereto. In the transaction operation, the recording medium is checked to determine whether it is connected to the reader, and the transaction operation on the basis of the medium- recorded prices is carried out, provided that it is determined that the recording medium is connected to the reader.