1.1.1 User Policy
ArArCALC is provided as freeware. This software package may be freely used and distributed amongst different research laboratories or educational institutions. The user is only encouraged to exercise proper referencing to the following paper in Computer and Geosciences when publishing data calculated using this software package:
Koppers, A.A.P.
ArArCALC -- Software for 40Ar/39Ar Age Calculations.
Computer and Geosciences 28 (2002) 605-619.