rad decay software?

["Henry Wood" <thenry@viperlink.net>]

Could someone please suggest an inexpensive (or free) windows-based program
that will solve decay chain type problems?  I need to insert various parent
activities and solve for progeny activities after various lengths of time.

Thank you,




Thomas Henry Wood
Blue Ridge Environmental Consulting, Inc.
600 Highway 25 North
Travelers Rest, SC  29690
864-834-5513
thenry@viperlink.net
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