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2. Carrier-sense multiple access - Wikipedia

   en.wikipedia.org/wiki/Carrier-sense_multiple_access

   P-persistent This approach lies between the 1-persistent and non-persistent CSMA access modes. [1] When the transmitting node is ready to transmit data, it senses the transmission medium for idle or busy. If idle, then it transmits immediately. If busy, then it senses the transmission medium continuously until it becomes idle, then transmits ...

3. Dia (software) - Wikipedia

   en.wikipedia.org/wiki/Dia_(software)

   Dia has special objects to help draw entity-relationship models, Unified Modeling Language (UML) diagrams, flowcharts, network diagrams, and simple electrical circuits. It is also possible to add support for new shapes by writing simple XML files, using a subset of Scalable Vector Graphics (SVG) to draw the shape.

4. diagrams.net - Wikipedia

   en.wikipedia.org/wiki/Diagrams.net

   diagrams.net (previously draw.io [2] [3]) is a cross-platform graph drawing software application developed in HTML5 and JavaScript. [4] Its interface can be used to create diagrams such as flowcharts , wireframes , UML diagrams, organizational charts , and network diagrams .

5. Pressure–volume diagram - Wikipedia

   en.wikipedia.org/wiki/Pressure–volume_diagram

   A PV diagram plots the change in pressure P with respect to volume V for some process or processes. Typically in thermodynamics, the set of processes forms a cycle, so that upon completion of the cycle there has been no net change in state of the system; i.e. the device returns to the starting pressure and volume.

6. Wikipedia : How to create charts for Wikipedia articles

   en.wikipedia.org/wiki/Wikipedia:How_to_create...

   A plot of the Hilbert transform of a square wave, generated by gnuplot from Maxima. Maxima is a computer algebra system licensed under the GPL, similar to Mathematica or Maple. It uses gnuplot as its default plotter, though others are available, such as openmath. Plotting directly to PostScript from Maxima is supported, but gnuplot's PostScript ...

7. Harvard Graphics - Wikipedia

   en.wikipedia.org/wiki/Harvard_Graphics

   Harvard Graphics was one of the first desktop business application software programs that allowed users to incorporate text, information graphics, and charts into custom slideshow presentations. The original version could import data from Lotus 1-2-3 or Lotus Symphony , charts created in Symphony or PFS Graph, and ASCII text.

8. Poincaré plot - Wikipedia

   en.wikipedia.org/wiki/Poincaré_plot

   (The RR interval will shorten when the heart speeds up, and lengthen when it slows.) An RR tachograph is a graph of the numerical value of the RR-interval versus time. In the context of RR tachography, a Poincaré plot is a graph of RR(n) on the x-axis versus RR(n + 1) (the succeeding RR interval) on the y-axis, i.e. one takes a sequence of ...

9. Point and figure chart - Wikipedia

   en.wikipedia.org/wiki/Point_and_figure_chart

   Point and figure (P&F) is a charting technique used in technical analysis.Point and figure charting does not plot price against time as time-based charts do. Instead it plots price against changes in direction by plotting a column of Xs as the price rises and a column of Os as the price falls.