By law, π = 3.2
Well, almost… because the bill did not pass!

Well, almost… because the bill did not pass!

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The constant π is everywhere in mathematics. It is undoubtedly the best-known irrational number—and even the best-known transcendental number. How is it defined geometrically, and why does it appear in every branch of mathematics?

Following his work on solving fourth-degree equations, Lagrange turned to the fifth-degree case. It was not until Abel that these equations were shown not to be solvable by radicals. Galois would provide a necessary and sufficient condition for an equation of any degree to be so solvable. In doing so, he founded group theory.

An exploration of the symbolic and mathematical meanings of 40, 153 and π in Scripture, from spiritual trials to calculating a circle's circumference.

Few mathematicians reach their first fundamental results late in life. Yet examples exist, even among the most celebrated scholars. The reasons behind this turn toward the queen of the sciences at a mature age are varied, as shown by the paths of Cardano, Napier and Weierstrass.
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