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  2. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).

  3. convert (command) - Wikipedia

    en.wikipedia.org/wiki/Convert_(command)

    convert is an external command first introduced with Windows 2000. [2] If the drive cannot be locked (for example, the drive is the system volume or the current drive) the command gives the option to convert the drive the next time the computer is restarted.

  4. Riemann sum - Wikipedia

    en.wikipedia.org/wiki/Riemann_sum

    Loosely speaking, a function is Riemann integrable if all Riemann sums converge as the partition "gets finer and finer". While not derived as a Riemann sum, taking the average of the left and right Riemann sums is the trapezoidal rule and gives a trapezoidal sum. It is one of the simplest of a very general way of approximating integrals using ...

  5. Discrete cosine transform - Wikipedia

    en.wikipedia.org/wiki/Discrete_cosine_transform

    We can compute the MD DCT-IV using the regular row-column method or we can use the polynomial transform method [109] for the fast and efficient computation. The main idea of this algorithm is to use the Polynomial Transform to convert the multidimensional DCT into a series of 1-D DCTs directly. MD DCT-IV also has several applications in various ...

  6. Exponential sum - Wikipedia

    en.wikipedia.org/wiki/Exponential_sum

    If the sum is of the form = ()where ƒ is a smooth function, we could use the Euler–Maclaurin formula to convert the series into an integral, plus some corrections involving derivatives of S(x), then for large values of a you could use "stationary phase" method to calculate the integral and give an approximate evaluation of the sum.

  7. Interlaced video - Wikipedia

    en.wikipedia.org/wiki/Interlaced_video

    EBU has performed tests that show that the bandwidth savings of interlaced video over progressive video is minimal, even with twice the frame rate. I.e., 1080p50 signal produces roughly the same bit rate as 1080i50 (aka 1080i/25) signal, [5] and 1080p50 actually requires less bandwidth to be perceived as subjectively better than its 1080i/25 ...

  8. Excel Entertainment - Wikipedia

    en.wikipedia.org/wiki/Excel_Entertainment

    Excel Entertainment is an Indian production company, founded by Ritesh Sidhwani and Farhan Akhtar in Mumbai in 1999. [ 1 ] [ 2 ] They mainly produce Hindi films . Their debut production, Dil Chahta Hai , [ 3 ] received critical acclaim and was a huge rage for the youth at that time.

  9. The Sum of All Fears - Wikipedia

    en.wikipedia.org/wiki/The_Sum_of_All_Fears

    The Sum of All Fears is a political thriller novel, written by Tom Clancy and released on August 14, 1991, as the sequel to Clear and Present Danger (1989). Main character Jack Ryan, who is now the Deputy Director of Central Intelligence, tries to stop a crisis concerning the Middle East peace process wherein Palestinian and former East German terrorists conspire to bring the United States and ...