Because of this keyboard, it was given the status of a computer rather than calculator by American testing facilities and cannot… … Wikipedia TI-92 series - The Texas Instruments TI 92 calculator, originally released in 1995, was a large calculator with a QWERTY keyboard. "Lifting the Curtain: The Evolution of The Geometer's Sketchpad" Mathematics Educator, v10 n2 p42. "Geometry in Action: A Discovery Approach Using The Geometer's Sketchpad." Key College Publishing, Emeryville, California ((2003), ISBN 1-93. However, the program also allows users to employ transformations to "cheat," creating figures impossible to construct under the traditional compass-and-straight-edge rules (such as the regular nonagon). Geometer's Sketchpad includes the traditional Euclidean tools of classical Geometric constructions that is, if a figure (such as the pentadecagon) can be constructed with compass and straight-edge, it can also be constructed using this program. It also runs on Linux under Wine with few minor bugs. It was created by Nicholas Jackiw.It is designed to run on Windows 95 or Windows NT 4.0 or later and Mac OS 8.6 or later (including Mac OS X). The Geometer's Sketchpad is a popular commercial interactive geometry software program for exploring Euclidean geometry, algebra, calculus, and other areas of mathematics. Operating_system = Mac OS X, Windows, Linux (under Wine.) Infobox_Software | name = The Geometer's SketchpadĬaption = Geometer's Sketchpad editing a circumcircle
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