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  2. Summa de arithmetica - Wikipedia

    en.wikipedia.org/wiki/Summa_de_arithmetica

    Summa de arithmetica was composed over a period of decades through Pacioli's work as a professor of mathematics, and was probably intended as a textbook and reference work for students of mathematics and business, especially among the mercantile middle class of northern Italy. [1]

  3. Millennium Prize Problems - Wikipedia

    en.wikipedia.org/wiki/Millennium_Prize_Problems

    The real part of every nontrivial zero of the Riemann zeta function is 1/2. The Riemann hypothesis is that all nontrivial zeros of the analytical continuation of the Riemann zeta function have a real part of ⁠ 1 / 2 ⁠. A proof or disproof of this would have far-reaching implications in number theory, especially for the distribution of prime ...

  4. List of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/List_of_trigonometric...

    For the above isosceles triangle with unit sides and angle , the area ⁠ 1 / 2 ⁠ × base × height is calculated in two orientations. When upright, the area is sin ⁡ θ cos ⁡ θ {\displaystyle \sin \theta \cos \theta } .

  5. Malta Mathematical Society - Wikipedia

    en.wikipedia.org/wiki/Malta_Mathematical_Society

    A society of the same name was established in 1998 by Prof. Joseph Muscat at the Department of Mathematics of the University of Malta.The first activity organised was a talk delivered by Ms Cettina Gauci Pulo, at the time an assistant lecturer at the University of Malta Junior College, and was entitled "Discovering Fractals".

  6. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    Thus, a male bee always has one parent, and a female bee has two. If one traces the pedigree of any male bee (1 bee), he has 1 parent (1 bee), 2 grandparents, 3 great-grandparents, 5 great-great-grandparents, and so on. This sequence of numbers of parents is the Fibonacci sequence.

  7. NYT ‘Connections’ Hints and Answers Today, Wednesday, February 19

    www.aol.com/nyt-connections-hints-answers-today...

    1. Things you might see at the beach (near the water). 2. Minor damage. 3. These noises are usually associated with a particular device. 4. The words in this category precede a common four-letter ...

  8. Discrete mathematics - Wikipedia

    en.wikipedia.org/wiki/Discrete_mathematics

    [1] [2] [3] By contrast, discrete mathematics excludes topics in "continuous mathematics" such as real numbers, calculus or Euclidean geometry. Discrete objects can often be enumerated by integers ; more formally, discrete mathematics has been characterized as the branch of mathematics dealing with countable sets [ 4 ] (finite sets or sets with ...

  9. Mathematical induction - Wikipedia

    en.wikipedia.org/wiki/Mathematical_induction

    Mathematical induction can be informally illustrated by reference to the sequential effect of falling dominoes. [1] [2]Mathematical induction is a method for proving that a statement () is true for every natural number, that is, that the infinitely many cases (), (), (), (), … all hold.