This program, RJTDateCalc, is designed to help family historians calculate dates from birth, event, and age at event. Developed in Delphi, it is available in multiple versions for different operating systems, with Datecalc being the most popular.
The date calc program exists to assist Family Historians calculate dates from any two of the three following elements Birth Date, Event Date, Age at Event .
The program is developed in Delphi and comes in several versions, please download the correct one for your operating system, most people should use Datecalc
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