When HN users recommended it
1 HN user recommended this in 2019, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2019, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
Analog computers aren’t all that unusual. For example, many airplane pilots use a Jepperson Circular computer to calculate headings and other parameters.
https://www.amazon.com/Jeppesen-Circular-Computer-diameter-J...
Even Spock used it on the Enterprise. https://www.flickr.com/photos/10901121@N06/1196208122