The Excel function: REGISTER.ID

Returns the register ID of the specified dynamic link library (DLL) or code resource that has been previously registered.

More information: support.microsoft.com/en-us/office/register-id-function-f8f0af0f-fd66-4704-a0f2-87b27b175b50

Other functions
Calls a procedure in a dynamic link library or code resource
Converts a number to euros, converts a number from euros to a euro member currency, or converts a number from one euro member currency to another by using the euro as an intermediary (triangulation)