From 1975 this Japanese calculator comes. He was sold from 1975 to 1976 by the Eduscho – Tchibo coffee chain. The device is called “PICO” PA-80N. Exactly this model was also once in my father’s possession and I was already fascinated by the luminous seven-segment displays as a child. And that was the problem again. As far as I can remember, I was in elementary school age, when I first disassembled the device into its individual parts. That was not the problem, but it was not there. Over time, I disassembled the computer several times. At some point wires broke off and nothing worked. Reassembled, the Pico then disappeared into a box and was disposed of years later by my father. Why I took apart and assembled the small computer again and again, I can not say today anymore. Apparently it was the success of an eight-year-old, after assembly again to have a working device – just to last. 🙂 On an online flea market platform, I found just such a calculator and in addition to that in a TOP condition and almost gave it. So I had to have him …