What is the difference between -R and +R and the diffference between R and RW
Try a forum search for the first one - it’s been asked many, many times
As for the difference between R and RW…R = write once, RW = rewritable.
so if I am reading it right -r and +r are just two difference format and you just have to check your dvd player to see which one work on it. Most will play both.
TRy looking in the blank media forum as was mentioned do a search