Calculate the number 4491
[8095] Calculate the number 4491 - NUMBERMANIA: Calculate the number 4491 using numbers [7, 5, 7, 4, 47, 946] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 0
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Calculate the number 4491

NUMBERMANIA: Calculate the number 4491 using numbers [7, 5, 7, 4, 47, 946] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
#brainteasers #math #numbermania
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Cruise Control

My family has a tradition of naming the cruise control on our cars. We were used to hearing my father proclaim, “Take it, Max,” as he flipped on the cruise control during long trips in our station wagon.

Recently, I was travelling with my parents in their new car when we hit a wide-open expanse of highway. My dad leaned back and said, “I think I'll let Tom drive for a while.”

“Tom who?” I asked.

My mother translated for me: “Tom Cruise, of course.”

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Jacques-Salomon Hadamard

Died 17 Oct 1963 at age 97 (born 8 Dec 1865).French mathematician who proved the prime-number theorem (as n approaches infinity, the limit of the ratio of (n) and n/ln n is 1, where (n) is the number of positive prime numbers not greater than n). Conjectured in the 18th century, this theorem was not proved until 1896, when Hadamard and also Charles de la Vallée Poussin, used complex analysis. Hadamard's work includes the theory of integral functions and singularities of functions represented by Taylor series. His work on the partial differential equations of mathematical physics is important. He introduced the concept of a well-posed initial value and boundary value problem. In considering boundary value problems he introduced a generalisation of Green's functions (1932).
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