Regarding the specific key "226", I'm not aware of any publicly available information about it. If you have any more details or context about this key, I'd be happy to try and help you further.
The software is available as shareware for Windows and costs approximately $30 for a single personal license. You can trial the full functionality for before a license key is required. Key Features Getdata Graph Digitizer 226 Key
Supports Cartesian, Polar, and Logarithmic scales. Regarding the specific key "226", I'm not aware
GetData Graph Digitizer is a specialized software designed to automate the process of "digitizing" graphs. Instead of manually guessing coordinates on a printed page, you can import an image (TIFF, JPEG, BMP, etc.) and the software helps you recreate the original data points. Regarding the specific key "226"