Help about extract rar files with password

[vheriel04]

This is my first post, I need to extract my rar files with password, I use tipster but some of letter doesnt appear such as (@,[] etc) if I type those letters it will only blank, can some one help me with this? I dont have computer to operate this, is there any homebrew app for extract rar with password?

[vheriel04]

Sorry for being a noob and for my bad english