Taken for granted

I just love being taken for granted. We get a video from the corporate office to describe the changes coming in new computer system. Complete waste of time if you ask me (nobody ever does). So it is installed 2 days late so I, customer service, and jewelry counter are first to explore it. Asking a manager what to do is useless becasue they know less than we do (rarely do they touch the cash registers). All alone with nobody to help me, I figure things out (always taken for granted by corporate that everyone can do things without directions and considered stupid if we fail). I apologize for learning a new system when taking too long with a customer. Takes about 2 hours to get use to it and tell my incoming coworker the basics. I take a break as incoming coworker arrives. She panics at firts customer calling for the manager to help her. At the sight of anything new throws anyone over 50 into a panic. She slowly figures things out with my help. Coworkers and cashier manager compare notes on experiences. That always helps. Today older than 50 coworker looks over my shoulder as I explain the system while ringing up customers. Line of customers builds and she gets on her own register. Goes into a panic at the first step (scan merchandise). Then get additional cashier help from the floor sale clerks. Both need help so I leave my customer 4 times in order to help them. I apologize and give her a coupon for her patience (sometimes it pays to be patient). Floor clerk leaves so I leave my next customer twice to help my coworker. Give another coupon for her patience. A manager shows up to help my coworker so I rush through my customers so the line doesn't build up again. Manager leaves to give someone a break so have to continue helping my coworker, but less frequently and my answers become verbal commands what button to push so don't need to leave my customers. After couple hours, she is gettign the hang of it, but full of questions. I never such surprise or complaints about how fast I rang up customers. I'm much faster than their brain could follow and astonished the transaction was done and I was just waiting for their signature.