# eVision > eVision 26.10.0-beta.2.dev documentation 2026, Euresys ## Pages in this subsection - [EasyMatrixCode1 - Reading Matrix Codes (deprecated)](index.html.md): Documents the deprecated EasyMatrixCode data matrix reader library and explains why to migrate to EasyMatrixCode2 instead. - [Specifications](specifications.html.md): Defines the data matrix code structure and the size, contrast, and quiet-zone specifications supported by the deprecated EasyMatrixCode library. - [Supported Symbols](supported_symbols.html.md): Lists the ECC000-ECC140 and ECC200 data matrix symbol sizes, capacities, and error correction rates supported by the deprecated EasyMatrixCode library. - [Workflow](workflow.html.md): This library is deprecated, use **EasyMatrixCode2** instead. - [Learning a Matrix Code](learning_a_matrix_code.html.md): How to learn a data matrix code model with the deprecated EasyMatrixCode reader to speed up and restrict subsequent code reads. - [Computing the Print Quality](computing_the_print_quality.html.md): How to compute BC11, ISO 15415, ISO 29158, and SEMI T10-0701 print quality grades with the deprecated EasyMatrixCode library. - [Using GS1 Data Matrix Codes](using_gs1_data_matrix_codes.html.md): Explains how to interpret GS1-compliant data matrix code contents read by the deprecated EasyMatrixCode library. ## Optional - [Top-level llms.txt](../../../../llms.txt): Complete documentation index.