The first was to use mathematics, the second was to ask Einstein.
They use base-eleven mathematics but also place a great emphasis on the number three.
All my life I fought against you, using mathematics to overcome nature's vast complexity.
He was kept as a southern prisoner of war and began using "immoral mathematics" to control people.
Then, they use observation and mathematics to find the answers.
The players of the game may not need to use explicit mathematics in order to play mathematical games.
But it does provide a communication tool, "much the way we use mathematics and numbers," he said.
Even some were particularly reluctant to using mathematics within chemistry.
Participants have to answer scientific and engineering problems using mathematics.
Others had used mathematics to add intellectual rigor to economic theory.