In the Tools section, additional settings are possible for various tools.
Maya Calendar
For the conversion of Maya calendar data into Julian or Gregorian data a correlation number is needed.
Three correlation numbers have emerged in research:
- Thompson – 584283
- Smiley – 482699
- Weitzel – 774078
The standard is “Thompson”.
OpenGTIN Databse API Key
With the “Check digits – EAN” tool, details of this product are output for valid EANs. The details are queried as standard via the free trial access to the OpenGTIN database. However, the access limit is restricted to 400 accesses per day. Alternatively, you can apply for your own user ID (Open EAN Database – Database and product evaluation (opengtindb.org)) This must then be entered here.
