Casio FX-991ES Plus Scientific Calculator Black coloured calculator , designed and engineered for easy operation . Large keypad for comfortable use of the user. Both solar powered and battery powered according to the availability of light. It has a large display so that it is easy to read and use. Color coded keypad for easy key differentiation. It has a complete calculation feature with a full decimal system. Displays numbers in three digit separator formats (Standard, European, and Indian) It saves upto 150 previous calculations All the mark-up capabilities of an adding machine for simplified cost and profit calculations Lightweight and easy to port  International Delivery:We will dispatch by Priority Registered AirMail where a record is kept at all stages the article  passes through. Also the registered articles are transmitted under special precautions. This option takes 2-4 weeks (20-35 working days) for delivery, includes free insurance AND NO TRACKING. "LOCAL CUSTOMS AND ANY OTHER TAXES TO BE BORNE BY BUYER". Buyers from ISRAEL, CANADA AND GREECE, due to delay in customs are your location, there will be an extended delay than normal.