Calculate the number 3490
[7810] Calculate the number 3490 - NUMBERMANIA: Calculate the number 3490 using numbers [4, 4, 6, 7, 54, 693] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 3490

NUMBERMANIA: Calculate the number 3490 using numbers [4, 4, 6, 7, 54, 693] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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Technology

Three men are sitting naked in the sauna. Suddenly there is a beeping sound. The first man presses his forearm and the beeping stops. The others look at him questioningly.
"That's my pager," he says. "I have a microchip under the skin of my arm."
A few minutes later a phone rings. The second man lifts his palm to his ear.
When he finishes he explains, "That's my mobile phone. I have a microchip in my hand."
The third man, feeling decidedly low-tech, steps out of the sauna. In a few minutes he returns with a piece of toilet paper extending from his rear.
The others raise their eyebrows.
"I'm getting a Fax," he explains

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Bonaventura Cavalieri

Died 30 Nov 1647 (born 1598). Italian mathematician who made developments in geometry that were precursors to integral calculus. Cavalieri's theory of indivisibles, presented in his Geometria indivisibilis continuorum nova (1635) was a development of Archimedes' method of exhaustion incorporating Johannes Kepler's theory of infinitesimally small geometric quantities. The area and volume of various geometric figures can easily be found with this method. He was largely responsible for introducing logarithms as a computational tool in Italy through his book Directorium Generale Uranometricum, including logarithms of trigonometric functions for astronomers. He also wrote on optics and astronomy. Galileo thought highly of his writing, and corresponded with him.
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