dftcalc help you perform arithmetic calculations with PET time-activity data in DFT format. Operations can be made between two data files or between one file and a constant value. PET time-activity data calculations made easy.
DFT is a multipurpose data file format designed for regional tissue time-activity curves, blood or plasma TACs and fractions of authentic tracer and its metabolites in plasma.

The license of this software is Freeware, you can free download and free use this calculator software.