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 ******************* Radio Shack Vintage Calculator Dual Powered Solar EC-417 Flip Up Screen ~ MINTY Perfect working condition. Only tiny signs of use. Has unique flip up screen. Internal battery may need to be replaced at some point (no guarantee on how much life left in it). You're gonna love it! Peace.