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In typography, a bullet or bullet point, •, is a typographical symbol or glyph used to introduce items in a list. For example: Red; Green; Blue; The bullet symbol may take any of a variety of shapes, such as circular, square, diamond or arrow. Typical word processor software offers a wide selection of
The "nine dots" puzzle. The puzzle asks to link all nine dots using four straight lines or fewer, without lifting the pen. The nine dots puzzle is a mathematical puzzle whose task is to connect nine squarely arranged points with a pen by four (or fewer) straight lines without lifting the pen or retracing any lines.
Microsoft Word is a word processing program developed by Microsoft.It was first released on October 25, 1983, [16] under the name Multi-Tool Word for Xenix systems. [17] [18] [19] Subsequent versions were later written for several other platforms including: IBM PCs running DOS (1983), Apple Macintosh running the Classic Mac OS (1985), AT&T UNIX PC (1985), Atari ST (1988), OS/2 (1989 ...
This configuration is named after Pappus of Alexandria. Pappus's hexagon theorem states that every two triples of collinear points ABC and abc (none of which lie on the intersection of the two lines) can be completed to form a Pappus configuration, by adding the six lines Ab, aB, Ac, aC, Bc, and bC, and their three intersection points X = Ab · aB, Y = Ac · aC, and Z = Bc · bC.
A form or document should be evaluated at the benchmarking stage to determine how a current design is working. [64] It should be used in the testing and refining stages to evaluate changes being made. Finally, the form or document should be evaluated during the monitoring stage as it is in use to "maintain its optimal performance". [64]
In numerical analysis, given a square grid in two dimensions, the nine-point stencil of a point in the grid is a stencil made up of the point itself together with its eight "neighbors". It is used to write finite difference approximations to derivatives at grid points. It is an example for numerical differentiation.
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It is constructed using the same points as the regular enneagon, but the points are connected in fixed steps. Two forms of regular enneagram exist: One form connects every second point and is represented by the Schläfli symbol {9/2}. The other form connects every fourth point and is represented by the Schläfli symbol {9/4}.