This app was mentioned in 3 comments, with an average of 1.67 upvotes
Cool. Another thing you should get is the phone app that identifies resistors, it's pretty slick. It's really helpful when you have a stack of resistors and don't want to look for "brown/brown/red/yellow/black" on a sheet of paper or whatever.
https://play.google.com/store/apps/details?id=com.blogspot.karabut.rescal
Super basic but very handy.
Куча приложений + хорошее зрение + немного свободного времени.
https://play.google.com/store/apps/details?id=com.blogspot.karabut.rescal