The email issued mentioned earlier this week is now fixed! You may also have received previous emails that were meant to be sent over the last few days - apologies, this was a one time issue and shouldn't happen again!
I just keep a dope book....well..I use a cheat sheet that looks like a deranged scientist scribbled sanscrit on a cocktail napkins.
I just printed out some dope sheets to be made into a book. Nothing trumps actual range notes with detailed weather report.
Keep a detailed book on each rifle and different ammo. It'll be a selling point when your kids are selling off their inheritance.
I recently discovered StrelokPro and boy am I glad I did. I love the KISS interface and being able to input odd yardage like 582 yds and get dope. Seems very accurate for my rifles too.