Like it says, i noticed while using my calculator that the $ button and the enter, the button used for equals, downward arrow facing left, dont work, i tried a sample text, every other button and symbol work thou, the a battery pull as well, any ideas??
You might want to return it, or sent it back for repair. In my case the letter I was not working. I pay for the insurance on the phone, and they sent me a refurbished one. They were not able to fix it at the store.