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  2. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    With some exceptions regarding erroneous values, infinities, and denormalized numbers, Excel calculates in double-precision floating-point format from the IEEE 754 specification [1] (besides numbers, Excel uses a few other data types [2] ). Although Excel allows display of up to 30 decimal places, its precision for any specific number is no ...

  3. Airy disk - Wikipedia

    en.wikipedia.org/wiki/Airy_disk

    Airy disk captured by 2000 mm camera lens at f/25 aperture. Image size: 1×1 mm. In optics, the Airy disk (or Airy disc) and Airy pattern are descriptions of the best- focused spot of light that a perfect lens with a circular aperture can make, limited by the diffraction of light. The Airy disk is of importance in physics, optics, and astronomy .

  4. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    Made in Japan, this was also the first calculator to use an LED display, the first hand-held calculator to use a single integrated circuit (then proclaimed as a "calculator on a chip"), the Mostek MK6010, and the first electronic calculator to run off replaceable batteries. Using four AA-size cells the LE-120A measures 4.9 by 2.8 by 0.9 inches ...

  5. HP calculators - Wikipedia

    en.wikipedia.org/wiki/HP_calculators

    A dual-powered (battery and solar cells) algebraic scientific calculator with 4-lines LCD screen and can display expressions in textbook format. HP Prime: 2013 A "smartphone competitor" with a 3 + 1 ⁄ 2-inch color touch screen, "apps", CAS and exam feature that allows both selection of RPN vs. Algebraic vs. textbook and exam format for use on ...

  6. These cushy slip-on sneakers are loved by shoppers and just ...

    www.aol.com/lifestyle/these-cushy-slip-on...

    Adidas Athletic Cushioned Quarter Socks, 6 Pairs. $17 $22 Save $5. These cushioned socks are popular because they give you a plush landing pad step after step. Plus, the built-in arch compression ...

  7. 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). Excel forms part of the Microsoft 365 suite of software.

  8. Has one of the world’s rarest whales washed up on a beach ...

    www.aol.com/news/world-rarest-whale-washed-beach...

    According to the DOC, the spade-toothed whale was first documented in 1874 from lower jaw and teeth samples collected on Pitt Island, around 500 miles off New Zealand’s west coast.

  9. Optimum HDTV viewing distance - Wikipedia

    en.wikipedia.org/wiki/Optimum_HDTV_viewing_distance

    This table can be used in a number of ways : Find the optimal distance for a given screen. Example: for a 4K UHD screen 140 cm high (112 inches diagonal), the optimal distance is 140 × 1.6 = 224 cm. Find the right screen size. Example: for a 1080 HDTV used at a distance of 250 cm, you need to find a screen whose height is close to ⁠ 250. /.