Furry Math: Macaques can do sums like people in a hurry
Monkey see, monkey add. And in the same test of high-speed arithmetic, it turns out, people see and people add using what looks like the monkey method for doing rough sums without counting.
Monkey see, monkey add. And in the same test of high-speed arithmetic, it turns out, people see and people add using what looks like the monkey method for doing rough sums without counting.