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  2. File:3.2.1.Liftoff Educator Guide.pdf - Wikipedia

    en.wikipedia.org/wiki/File:3.2.1.Liftoff...

    Short title: 3.2.1.Liftoff Educator Guide pdf; Author: NASA: Image title: NASA guide for Pre-K through 2nd grade for Science, Math, Technology&Lang.Arts

  3. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    Default PDF and file viewer for GNOME; replaces GPdf. Supports addition and removal (since v3.14), of basic text note annotations. CUPS: Apache License 2.0: No No No Yes Printing system can render any document to a PDF file, thus any Linux program with print capability can produce PDF files Pdftk: GPLv2: No Yes Yes

  4. MyMathLab - Wikipedia

    en.wikipedia.org/wiki/MyMathLab

    MyMathLab is an online interactive and educational system designed by Pearson Education to accompany its published math textbooks. It covers courses from basic math through calculus and statistics, as well as math for business, engineering and future educators.

  5. A-not-B error - Wikipedia

    en.wikipedia.org/wiki/A-not-B_error

    Smith and Thelen [2] used a dynamic systems approach to the A-not-B task. They found that various components of the activity (strength of memory trace, salience of targets, waiting time, stance) combine in the "B"-trial (where the object is hidden in the "B" location rather than "A") so the child either correctly or incorrectly searches for the ...

  6. A/B testing - Wikipedia

    en.wikipedia.org/wiki/A/B_testing

    A/B testing (also known as bucket testing, split-run testing, or split testing) is a user experience research method. [1] A/B tests consist of a randomized experiment that usually involves two variants (A and B), [ 2 ] [ 3 ] [ 4 ] although the concept can be also extended to multiple variants of the same variable.

  7. Lab notebook - Wikipedia

    en.wikipedia.org/wiki/Lab_notebook

    However following March 2013, lab notebooks are of limited legal use in the United States, due to a change in the law that grants patents to the first person to file, rather than the first person to invent. [7] The lab notebook is still useful for proving that work was not stolen, but can no longer be used to dispute the patent of an unrelated ...

  8. Proportional–integral–derivative controller - Wikipedia

    en.wikipedia.org/wiki/Proportional–integral...

    With these controllers, a pneumatic industry signaling standard of 3–15 psi (0.21.0 bar) was established, which had an elevated zero to ensure devices were working within their linear characteristic and represented the control range of 0-100%.

  9. Computer lab - Wikipedia

    en.wikipedia.org/wiki/Computer_lab

    Computer lab. While computer labs are generally multipurpose, some labs may contain computers with hardware or software optimized for certain tasks or processes, depending on the needs of the institution operating the lab. These specialized purposes may include video editing, stock trading, 3-D computer-aided design, programming, and GIS. [3]