Formula for solving systems of linear equations (also Cramer's cross); see under Gabriel Cramer.
The Swiss Gabriel Cramer (1704-1752) taught as a professor of mathematics at the Geneva Academy. He was not one of the most important mathematicians, but his main merit was the dissemination of mathematical ideas of his time. He was in contact with leading mathematicians of his time. In addition, he wrote works on the philosophy of law and the state and on the history of mathematics. He also held public offices, participated in military and armament...
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