added new calculation (but commented out); need to check the tests first
added new calculation (but commented out); need to check the tests first

Factlink/factlink-core,daukantas/factlink-core,Factlink/factlink-core,Factlink/factlink-core,daukantas/factlink-core,Factlink/factlink-core,daukantas/factlink-core,daukantas/factlink-core