Computerized weight and balance
 

Thanks for the reply. I do already have a computerized version of a W & B program, that we use in the Civil Air Patrol. It has been adapted for my 1965 C337. It works well, and is easy to use.
Thanks again, BILLS

Numbers
 

An alternative to Numbers for the iPad is "CloudOn", which is currently free, and gives you access to Excel, Word, and PowerPoint. You can save documents to your drop box.
Internet connection required for use.