If you need me to (e.g., the Position Tolerance chapter or Datum System Pro Method), just let me know which one.

The program has evolved alongside the official standards set by the American Society of Mechanical Engineers (ASME). GeoTol Pro 2020 : The latest edition, fully updated to the ASME Y14.5-2018 GeoTol Pro 2009 : Based on the ASME Y14.5-2009