Comment on Why don't compasses have just two Cardinal directions (North, East, -North, -East)?
Hadriscus@jlai.lu 3 weeks ago
I would not be surprised compasses were invented before negative numbers
Comment on Why don't compasses have just two Cardinal directions (North, East, -North, -East)?
Hadriscus@jlai.lu 3 weeks ago
I would not be surprised compasses were invented before negative numbers