Vintage Electronic Calculators: CALCUSEUM Home page Overview of Brands Colleagues SHARP: PA6000 (version-1) (Page 1/1) AKA: PA-6000, MEMORY SAFE GUARD / AUTO POWER OFF, AKA (Label): PA-6000, Product number (P/N): PA6000 (PA-6000), Keywords/Tags: PA6000 (PA-6000) Date of intro: 1986, Power: 6V: (Butt...