Sharp EL-640 Talking Calculator with talking clock, date, alarm, timer, hourly chime, daylight saving time button, 5 minute chime and volume adjustment. good condition

The infamous EL-640 Sharp talking clock/calculator is one of the most rare items in the blind community and now you have a chance to own one. This is the rare model that everyone wants and includes a clock, calendar, timer, alarm clock, hourly chime, 5 minute chime, daylight savings button, and a calculator. it does a lot of things and does them amazingly well! This one is in good condition and works  perfect. Everything works perfect. This one does not include the plastic folio case.

Link for detailed audio tutorial