I want to use following bioperl modules. I have installed bioperl 1.6.I. have searched all modules in it but i have not found following modules. I want to use it. please tell me if anyone know about these modules and use of it. temp- for temperature checking ac- for count of AC content gc- for count of GC content dimer- check bases for dimerization check 5- Check the presence of GC, CG, C or G at 5' check 3- Check the presence of GC, CG, C or G at 3' basepair- calculate % of GC hairpin- calculate hairpin structure delta- calculate delta G value for primer temp diff- check for temperature difference in left and right primer please tell me if anyone know about these modules.