| DataHandler | DataHandler: interface for further template class All functions are pure virtual, so there is no documentation for them |
| DataOperations< T > | DataOperations: class to handle data and perform operations on them This class inherits DataHandler (interface). This construction allows to dynamicly select the temlate argument |
| DataOperations< T >::Value | Class for storing values It can store number or blank wich allows to display missing data |
1.5.9