It is completely free for academic and research use.
In recent studies, DDSolver.xla has been instrumental in developing advanced drug delivery systems:
The add-in automatically generates tables and charts, including the correlation coefficient ( R2cap R squared
: Facilitates similarity analysis using well-established methods like the similarity factor ( ) and difference factor ( ) . Advanced Statistical Tools : Includes a bootstrap module for
In modern versions of Excel (2007 and later), add-ins typically use the .xlam format. If you are looking at ddsolver.xla , you are likely looking at a legacy file from an older Excel installation or a backup.