The keys require positive activation, eliminating faulty entries by users with diminished manipulation skills. Tokyo 163-02, Japan. A basic function calculator with percentage and memory keys. Date is also displayed but not spoken. Space inside lid for photo.
Cover closes to prevent accidental key operation when in pocket or bag.
D-72160 Horb, Germany. A scientific calculator with natural voice speech output. Numerical data on the display panel can be spoken digit by digit or as a complete number. There are language options of German, English, French, Italian, Dutch or Spanish. Includes stopwatch, alarm clock and calendar.