For those needing portability, Rad Pro for Desktop works with Windows 8.1 tablets (just tested). Will not work with Surface tablets running Windows RT.
 
Consult Your PDA User Manual or Contact Your Manufacturer for the Correct Download and Detailed Installation Instructions If You Do Not Use Active Sync, You Will Need the CAB File For You Processor Below. Rad Pro Calculator for Pocket PCs and SmartPhones Download Option Page Need the Compact .NET Framework 2.0? (Now updated to SP2)
For Windows Mobile 5.0 and Windows Mobile 6.0, Press Button for Your Processor Type
General Installation Instructions      
For Pocket PC 2003 and Pocket PC 2003 SE, All PDAs

Rad Pro Convert for Smartphone: Units conversion only.  System requirements: Windows Mobile 5.0 or Windows Mobile 6.0 operating system -  Compact .NET Framework version 2.0  250K of free RAM


Rad Pro Calculator for Pocket PC: Includes units conversions, decay and half-life calculations, ALARA calculations and gamma activity <to> dose-rate calculations with shielding.  System requirements: Pocket PC 2003, Pocket PC 2003 SE, Windows Mobile 5.0 or Windows Mobile 6.0 operating system.  Compact .NET Framework version 2.0 - 600K free RAM.               Version 1.48 (5/24/2009)

  Click Image to View Full Size General Installation Instructions Version 1.0 (12/21/2006)
UK Radiation Adviser Nuclear Links Nuclear Jobs MARSSIM Nuclear Resources US Health Physics Society Author's Personal Website US Health Physics Consultant UK Radiation Protection Society NRRPT Study Kit and Classic RP College Textbook

Rad Pro Calculator Recommends These Links

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General Installation Instructions
For Pocket PC 2003, Pocket PC 2003 SE, Windows Mobile 5.0 or Windows Mobile 6.0 and all processors if and only if you use Microsoft ActiveSync 4.0 or greater
Pocket PC Version History General Installation Instructions General Installation Instructions Which Version Should I Install on My Smartphone?