对于历史学家和收藏家钱币数据库管理

代码说明：

N-CAT Numismatic Database Management for the Historian and Collector. The software is build with embedded Firebird (Interbase) database engine and Qt C++ framework. **Update to the newest version - view update instructions below.** Support most of NUDS fields (Numismatic Database Standard for column-oriented numismatic data sets) and additionally not limited number of images, documents and references per item. Designed for work with huge data sets. Powerful and reliable embedded database engine. Easy backup and restore. Independent format. Relational database design. Not limited number of images, references, etc. per item. Build-in image viewer with rotation and scale support. Import from and exp