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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.
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
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 ...
A sequence of six consecutive nines occurs in the decimal representation of the number pi (π), starting at the 762nd decimal place. [ 1 ] [ 2 ] It has become famous because of the mathematical coincidence , and because of the idea that one could memorize the digits of π up to that point, and then suggest that π is rational .
The nine-point circles are all congruent with a radius of half that of the cyclic quadrilateral's circumcircle. The nine-point circles form a set of four Johnson circles. Consequently, the four nine-point centers are cyclic and lie on a circle congruent to the four nine-point circles that is centered at the anticenter of the cyclic quadrilateral.
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A new navigation pane replaces the document map in previous versions of Word and allows users to drag and drop headings within the pane to rearrange pages in a document. The navigation pane also replaces the Find dialog box in previous versions and now highlights search results. [132] Windows Live Writer integration [8] New features in Excel 2010
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