Napier's Bones (jan 30, 1617 – dec 31, 1617)
Description:
Napier's Bones was invented by Scottish mathematician, John Napier. This is a computation device that has the multiplication table written on a series of rods. To make calculations, the user would have to change the vertical position of the rods.Added to timeline:
Date:
jan 30, 1617
dec 31, 1617
~ 11 months