4 ms·
This is a video (not mine) showing a Curta-style calculator made from Knex. If you know what octal/base-8 is, you can skip 1:28 to 4:30.
by tgv 3y ago
This is a video (not mine) showing a Curta-style calculator made from Knex. If you know what octal/base-8 is, you can skip 1:28 to 4:30.