I was engaged in computers from 8 years old, at 14 studied TR and C, at 16 wrote websites, at 23 arranged to work as a programmer, wrote software for the oil company - programmed PLCs (AVV, Siemens, Schneider Electric), did visualizations, combined various systems through OPS-server. I am 27 years old and work as a design engineer. And today I just accidentally found out what the Scroll Lock button is used for)))