12 digits Solar & Battery Solar powered when light is sufficient, battery powered when light is insufficient. Function command signs A symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing. Key rollover Key operations are stored in a buffer, so nothing is lost even during high-speed input. Extra Large display Larger display makes more data easier to read.
Only Items that have their complete boxes, CD's, remotes, accessories & manuals in pristine condition shall be honored for exchange within 7 days, Items that have physical damage or warranty stickers hat have been tampered with in anyway shall not be honoured.