For the reason DEL is shifted ‘_’, see your friendly neighbourhood ASCII table, and/or one of the recent HN threads¹. The ADM-3A² is a good example of a bit-pai

For the reason DEL is shifted ‘_’, see your friendly neighbourhood ASCII table, and/or one of the recent HN threads¹. The ADM-3A² is a good example of a bit-paired keyboard³. ¹ https://news.ycombinator.com/item?id=13539552 https://news.ycombinator.com/item?id=13539552 ² https://en.wikipedia.org/wiki/ADM-3A https://en.wikipedia.org/wiki/ADM-3A ³ https://en.wikipedia.org/wiki/Bit-paired_keyboard https://en.wikipedia.org/wiki/Bit-paired_keyboard