4 events with tag "multiplication"
1253
ID: 142
St. Clare multiplies single loaf to feed 50 sisters - similar to Gospel miracle
ID: 142
1614
ID: 4456
John Napier publishes 'Mirifici Logarithmorum Canonis Descriptio' - invents logarithms to turn multiplication into addition
ID: 4456
1617
ID: 4457
Napier's bones (Napier's rods) invented - numbered rods for multiplication, division, and square roots
ID: 4457
1673
ID: 4461
Leibniz creates Stepped Reckoner - first calculator that could multiply, divide, and find square roots using stepped drums
ID: 4461