I always answer my email... usually within a few hours. If you haven't heard back from me within 24 hours check your spam folder. My reply will likely be there. You can email me or text me at: 250 619-6386 ************** EXCELLENT CONDITION ~ Texas Instruments TI-83 Plus Graphing Calculator 100% perfect working condition. Excellent cosmetic condition. Display screen is mint... no marks or scratches. Some signs of use on back. Does not come with cover. You're gonna love it! Peace.