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  2. Euler's formula - Wikipedia

    en.wikipedia.org/wiki/Euler's_formula

    Substituting r(cos θ + i sin θ) for e ix and equating real and imaginary parts in this formula gives ⁠ dr / dx ⁠ = 0 and ⁠ dθ / dx ⁠ = 1. Thus, r is a constant, and θ is x + C for some constant C. The initial values r(0) = 1 and θ(0) = 0 come from e 0i = 1, giving r = 1 and θ = x.

  3. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    Infix notation is a method similar to immediate execution with AESH and/or AESP, but unary operations are input into the calculator in the same order as they are written on paper. Calculators that use infix notation tend to incorporate a dot-matrix display to display the expression being entered, frequently accompanied by a seven-segment ...

  4. E-graph - Wikipedia

    en.wikipedia.org/wiki/E-graph

    An e-graph can also be formulated as a bipartite graph = (,) where . is the set of e-class IDs (as above), is the set of e-nodes, and () is a set of directed edges.There is a directed edge from each e-class to each of its members, and from each e-node to each of its children.

  5. Graphing calculator - Wikipedia

    en.wikipedia.org/wiki/Graphing_calculator

    An early graphing calculator was designed in 1921 by electrical engineer Edith Clarke. [1] [2] [3] The calculator was used to solve problems with electrical power line transmission. [4] Casio produced the first commercially available graphing calculator in 1985. Sharp produced its first graphing calculator in 1986, with Hewlett Packard ...

  6. Comparison of Texas Instruments graphing calculators

    en.wikipedia.org/wiki/Comparison_of_Texas...

    A graphing calculator is a class of hand-held calculator that is capable of plotting graphs and solving complex functions. There are several companies that manufacture models of graphing calculators. Texas Instruments is a major manufacturer.

  7. Uttar Pradesh State Board of High School and Intermediate ...

    en.wikipedia.org/wiki/Uttar_Pradesh_State_Board...

    The examination for the 10th and 12th standard is called the High school examination and Intermediate examination respectively. The High school and Intermediate examinations are conducted annually and simultaneously all over the state of Uttar Pradesh. The Board holds the examinations and prepares the results of nearly 70,00,000 students.

  8. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/dying-to-be-free...

    The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag.

  9. All India Secondary School Examination - Wikipedia

    en.wikipedia.org/wiki/All_India_Secondary_School...

    All India Secondary School Examination, commonly known as the class 10th board exam, is a centralized public examination that students in schools affiliated with the Central Board of Secondary Education, primarily in India but also in other Indian-patterned schools affiliated to the CBSE across the world, taken at the end of class 10. The board ...