Thanks, the one in your first Wikipedia link http://www.alfredklomp.com/technology/mk-61/ http://www.alfredklomp.com/technology/mk-61/ apparently also had a bri

Thanks, the one in your first Wikipedia link http://www.alfredklomp.com/technology/mk-61/ http://www.alfredklomp.com/technology/mk-61/ apparently also had a brief HN thread https://news.ycombinator.com/item?id=12632803 https://news.ycombinator.com/item?id=12632803 It seems odd there isn't more first-hand/primary-source-ish information about these - people who worked on ICBMs or nerve agents or whatnot have written about their experiences, you'd think calculator designers would pop up as well. Like, where is something like this for Soviet calculators https://news.ycombinator.com/item?id=39962737 https://news.ycombinator.com/item?id=39962737