Appointment(s) diary with programmable audible reminder - can also be used as watch or calculator

摘要

An electronic appointments diary contains pages for the day, week or month. Appointment times and dates are entered on a keyboard which can also be used to set an audible or visible remainder. Pages of appointments can be displayed. It is possible to display the actual time and also the use the machine as a calculator. The machine can be powered by batteries and/or solar cells.