The Psion 3C was the device I learned programming on. My father upgraded to a Psion 5 and I got his 3C. It was small enough that it could be hidden under the pi

The Psion 3C was the device I learned programming on. My father upgraded to a Psion 5 and I got his 3C. It was small enough that it could be hidden under the pillow/blanket when my parents came in to make sure I was sleeping, and then I could spend long nights writing text-based adventure games or calculators or whatever.