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	Computer Laboratory Technical Reports: UCAM-CL-TR-574
		Sketchpad has shown the most usefulness as an aid to the understanding of processes, such as the notion of linkages, which can be described with pictures.
		A Sketchpad user sketches directly on a computer display with a “light pen.” The light pen is used both to position parts of the drawing on the display and to point to them to change them.
		Sketchpad itself is able to move parts of the drawing around to meet new conditions which the user may apply to them.
	www.cl.cam.ac.uk /techreports/UCAM-CL-TR-574.html (542 words)

	The Geometer's Sketchpad®: Dynamic Geometry® Software for Exploring Mathematics - Key Curriculum Press
		Spanning the mathematics curriculum from middle school through college, The Geometer's Sketchpad is a dynamic construction and exploration tool that adds a powerful dimension to the study of mathematics.
		With Sketchpad, students can construct objects, figures, and diagrams and explore their mathematical properties by dragging objects with the mouse.
		Sketchpad curriculum modules support your teaching and deepen student understanding.
	www.keypress.com /x5521.xml (328 words)

	The Metiri Group
		Students draw an object in Sketchpad, then are able to explore that object's mathematical properties by dragging it with the mouse.
		Sketchpad can be used in a variety of classroom settings and with a variety of technologies.
		Sketchpad has been in existence for about 10 years and is very popular.
	www.metiri.com /Kentucky2001/MathGeoSketch.htm (246 words)

	CAD software history Sketchpad Ivan Sutherland (Site not responding. Last check: 2007-11-06)
		Sketchpad was an innovative system developed in 1963 by Ivan Sutherland as part of his PhD thesis.
		Sketchpad's drawings were created, duplicated and stored at 2000:1 scale which allowed very large layouts.
		Sketchpad proved beyond doubt that computers could automate repetitive design and drafting tasks with a reliability and accuracy not possible by manual methods.
	www.cadazz.com /cad-software-Sketchpad.htm (325 words)

	GUIdebook > Articles > “Sketchpad: A man-machine graphical communication system”
		The major feature which distinguishes a Sketchpad drawing from a paper and pencil drawing is the user’s ability to specify to Sketchpad mathematical conditions on already drawn parts of his drawing which will be automatically satisfied by the computer to make the drawing take the exact shape desired.
		Sketchpad can often find an order in which the variables of a drawing may be re-evaluated to completely satisfy all the conditions on them in just one pass.
		By using Sketchpad’s relaxation procedure we were to demonstrate analysis of the force distribution in the members of a pin connected truss.
	www.guidebookgallery.org /articles/sketchpadamanmachinegraphicalcommunicationsystem (9284 words)

	mprove: thesis: 3.1.2 Sketchpad
		Sketchpad is the first program to interactively create line drawings of striking complexity on a computer screen.
		Sketchpad is operated with a light pen and a command button box (under left hand).
		Sketchpad III by Timothy Johnson is an extension of Sketchpad for the construction of 3-dimensional objects [Sutherland 63b, p.
	www.mprove.de /diplom/text/3.1.2_sketchpad.html (759 words)

	Math Forum: CIGS - Geometer's Sketchpad Classroom Resources
		Exploring equations for lines, parabolas, and tangents using the Geometer's Sketchpad.
		Step-by-step instructions for tiling the plane using Sketchpad.
		The Math Forum is a research and educational enterprise of the Drexel School of Education.
	mathforum.org /dynamic/sketchpad.links.html (669 words)

	Geometry Session 4, Part A: Introduction to Geometer's Sketchpad
		One of the major benefits of dynamic geometry Sketchpad and software like it is the ability to quickly alter geometric objects while preserving the properties of their construction.
		For example, you can use Sketchpad to create a triangle with one right angle, and then explore the relationship between the three side lengths by moving the triangle's points around while preserving the constructed right angle.
		One other major feature of Sketchpad is the ability to measure segments, angles, and other geometric properties such as area.
	www.learner.org /channel/courses/learningmath/geometry/session4/part_a/tutorial.html (2011 words)

	enGauge Resources—Classroom Resources (The Geometer's Sketchpad)
		Sketchpad allows students to draw an object and explore its mathematical properties by dragging the object with the mouse.
		Sketchpad's Transform menu enables students to use fixed and variable quantities to translate, rotate, and dilate objects.
		Sketchpad can be used on a single computer connected to an overhead projector for whole-class discussions, or on single computers, or in a computer lab for individual or small-group activities.
	www.ncrel.org /engauge/resource/resource/reviews/geomeths.htm (460 words)

	The Geometer's Sketchpad - Advanced Gallery
		The sketches are all available for download for your personal or classroom use, but are copyrighted by their authors; please contact the author of a sketch if you are interested in using it in other contexts.
		Although Sketchpad's native domain is the plane, rather than three dimensions, many sketches construct the projection of higher-dimensional mathematical models onto the two dimensions of the computer screen.
		This sketch from Sketchpad's Samples collection depicts the hyperbolic plane using the Poincaré Disk model, in which a line through two points is defined as the Euclidean arc passing through the points and perpendicular to the circle.
	www.chartwellyorke.com /sketchpad/advancedgallery.html (716 words)

	The Geometer's Sketchpad Seminar
		Sketchpad has always been a software tool that makes the various branches of geometry dynamic.
		The added capabilities of defining and acting on functions mean that Sketchpad can be used to present the relationships between geometric and algebraic objects that are otherwise invisible to many students.
		The dynamic nature of the Sketchpad medium means that it differs from pencil and paper diagrams in that the sketch can be altered to examine properties of a family of related objects.
	www.lat-olm.com.au /content/sketchpad.php (465 words)

	Using Geometer's Sketchpad
		For Geometer's Sketchpad beginners, it is likely that completion of the five interactive tutorials will require 15-20 hours.
		This file is an introduction to the use of the palettes and the Construct Menu in Geometer's Sketchpad.
		This file is an introduction to the use of the Measure and Graph menus in Geometer's Sketchpad.
	mtl.math.uiuc.edu /modules/?m=sketchpad&p=steps (677 words)

	Apple - Education - NCLB - Math - The Geometer’s Sketchpad Version 4 by Key Curriculum Press (Site not responding. Last check: 2007-11-06)
		With a scope that spans the mathematics curriculum from early geometry to algebra, trigonometry, precalculus, calculus, and beyond, Sketchpad brings a powerful dimension to the study of mathematics.
		Originally designed for use in secondary classrooms, Sketchpad is so versatile that today it’s widely used by students from fifth grade through college.
		Sketchpad encourages a process of discovery in which students first visualize and analyze a problem, then make conjectures before attempting a proof.
	www.apple.com /education/k12/nclba/math/key.html (427 words)

	SketchPad - Constraint-Free Parametric Solid Modeling INSIDE of CADKEY.
		SketchPad is a CADKEY Add-In that greatly improves the 3D functionality of basic CADKEY.
		All SketchPad creation commands allow the solid to be previewed, and if the results are not as expected, the parameters can be revised and the preview updates to reflect the parameter changes.
		SketchPad automatically captures the exact parameters used to define the solid, and presents those parameters back to the user when the solid is picked for editing.
	www.caesi.com /software/SketchPadVAR.htm (829 words)

	The Geometer's Sketchpad
		Sketchpad is a dynamic construction and exploration tool that enables students to explore and understand mathematics in ways that are simply not possible with traditional tools - or with other mathematics software programs.
		Sketchpad encourages a process of discovery in which students first visualize and analyze a problem, and then make conjectures before attempting a proof.
		Sketchpad is designed with an intuitive interface for ease of use, so your students will be focused on the activity, not the navigation.
	www.knowplay.com /math/geometer's-sketchpad.html (582 words)

	Variance - Geometer's Sketchpad
		If your browser has not been set up for Sketchpad files yet, click here to learn how.
		Sketchpad Tutorial that will teach you enough about Sketchpad to do this lesson.
		Hint: The square of 2 is 4 and the square of 3 is 9.
	www.mste.uiuc.edu /malcz/Spreads/VARIANCE-GSP.html (735 words)

	Sketchpad Media - Welcome
		and 7 versions later Sketchpad is still proud to be a part of the Internet Community.
		Sketchpad has seen many changes through each year and every version, though the fundamentals have always existed.
		This newest version is in light of having recently returned from traveling through Central and parts of South America for 6 months.
	www.sketchpad.ca (183 words)

	The Geometer's Sketchpad® - Product Information
		Sketchpad is a dynamic construction and exploration tool that enables students to explore and understand mathematics in ways that are simply not possible with traditional tools—or with other mathematics software programs.
		Add-on Curriculum Modules: Many add-on Sketchpad activity modules are available at the middle school and high school level to help you hit the ground running with Sketchpad and to adapt the versatile software to specific courses and curricula.
		Sketchpad Student Edition: With the full-featured Student Edition, your students can bring dynamic mathematics home to reinforce their class work and pursue their own mathematics explorations.
	www.dynamicgeometry.com /getting_started/product_info.php (1043 words)

	Dynamic Geometry with Geometer's Sketchpad -- Step-By-Step Instructions
		For those with the prerequisite Geometer's Sketchpad experience, it is likely that it will require 15-20 hours to complete the lessons.
		Often, you will be able to borrow and modify Sketchpad sketches and scripts from these projects for projects of your own.
		Select a Sketchpad project (or projects) that would be useful to you in your teaching.
	mtl.math.uiuc.edu /modules/dynamic/what_to_do.htm (646 words)

	Center for Technology and Teacher Education: Content Areas: Mathematics
		In the extension activities, the students further explore and generalize a formula for the sum of the interior angles of convex polygons.
		This activity is an introduction to the concept of convergent infinite series using a recursive geometric construction.
		Students geometrically construct and investigate the graphs of sine and cosine based upon the lengths of the sides of a reference triangle.
	www.teacherlink.org /content/math/activities/sketchpadv4.html (1033 words)

	Sketchpad Projects
		Another good idea is to enter "Geometer's Sketchpad" into Google, like this.
		The Projects Use Geometer’s Sketchpad to illustrate some concept or investigation that we have studied in class.
		Show it to the class either as a demonstration with a projector, saved as HTML to appear on the internet, or as an interactive experience that we can all do in class with our classroom set of laptop computers.
	homepage.mac.com /charliegor/sketchpadproject.html (403 words)

	Math5337: Sketchpad Homework
		Note that in the labs and homework, you will want to change the name of your objects to match the names given in the writeup.
		They can be done at any time in relationship to the Sketchpad labs.
		In this exercise, you will use Sketchpad to construct the circle through three points.
	www.geom.uiuc.edu /education/math5337/gsp (1476 words)

	[No title]
		A demo version of Sketchpad can be obtained by going here and filling in a form.
		Here are Sketchpad sketches of the compass and straightedge variety I've made and here is one using GSP4 by one of my students.
		If you have version 4 of Sketchpad then here is a sketch of eight functions with sliders.
	www.mccallie.org /myates/4sketchpadresources.htm (943 words)

	Math Forum: CIGS - Geometer's Sketchpad Classroom Resources
		Sketchpad presentations: Andrews - Conics; King - Circles; Schattschneider - Problems; Shimamoto - Topics in Geometry; Thornton - Triangles.
		Supplementary material to help students with their first encounter with vectors, and an experiement in the pedagogical possibilities of the WWW which allows nonlinear use of documents of all types, and of the Geometer's Sketchpad, which has internal possiblities for unveiling, animating, and tabulating, in addition to its dynamic capabilities.
		Follow the link to student tessellations from Punahou School in Honolulu, HI.
	mathforum.org /sketchpad/sketchpad.html (660 words)

	Geometry Session 4, Part A: Introduction to Geometer's Sketchpad
		In this session, you will begin to use the tools of Geometer's Sketchpad to construct geometric figures and explore their properties.
		If you are not familiar with The Geometer's Sketchpad software, or would like a refresher, go to the following tutorial.
		This session assumes you can do the following with Geometer's Sketchpad: construct points and segments; construct points on objects; create midpoints; construct lines that are parallel or perpendicular to given lines; measure distances and angles; and perform calculations on your measurements.
	www.learner.org /channel/courses/learningmath/geometry/session4/part_a/index.html (491 words)

	Center for Technology and Teacher Education: Content Areas: Mathematics
		In addition to providing lots of useful information and helpful teaching techniques for Discovering Geometry and The Geometer's Sketchpad®, it is an excellent resource of rich teaching ideas for anyone interested in geometry and technology education.
		This lab uses Sketchpad to explore the geometry of circles, culminating in the discovery of a famous result of the nineteenth century called Monge's Theorem.
		It then uses Sketchpad to explore the geometric properties of inversion, allowing the reader to discover how the linkage works.
	www.teacherlink.org /content/math/relatedlinks/sketchpad.html (1636 words)

	Key College Publishing: The Geometer's Sketchpad
		All of your Sketchpad skills are upwardly transferable to GSP 4.
		Sketchpad Resource Center Web site (www.keypress.com/sketchpad/): provides product information; technical support; an Online Activity Guide that links to a wide variety of Web resources for using Sketchpad in and out of the classroom; an extensive bibliography; and informative downloadable reference materials about Sketchpad and Dynamic Geometry.
		Sketchpad Student Edition: With this new, full-featured Student Edition, your students will bring dynamic mathematics home to reinforce their class work and pursue their own mathematics explorations.
	www.keycollege.com /catalog/titles/sketchpad.html (1133 words)

	The Geometer's Sketchpad 4.0.7 – Mac OS X – VersionTracker (Site not responding. Last check: 2007-11-06)
		With a scope that spans the mathematics curriculum from middle school to college, The Geometer's Sketchpad brings a powerful dimension to the study of mathematics.
		Sketchpad is a dynamic construction and exploration tool that enables students to explore and understand mathematics in ways that are simply not possible with traditional tools or with other mathematics software programs.
		Web-links to the Sketchpad Resource Center, information about Add-On Curriculum Modules, and the standard Sketchpad Sample documents are now all available from the Help menu.
	www.versiontracker.com /dyn/moreinfo/macosx/4487 (419 words)

	MathsNet: Review of Geometer's Sketchpad 4
		With the introduction in Version 4 of advanced graphing, it becomes apparent that Geometer's Sketchpad is not just for dynamic geometry but dynamic graphing too, and as such it offers similar facilitiies to the likes of Omnigraph and Autograph.
		There is no doubt that, whilst Sketchpad has been kept the same at an initial superficial level, the more you explore the more you discover enhanced features.
		There is no doubt that Sketchpad, previous a great program, has marched on much further and now offers teachers a wealth of useful tools and options for investigating not just plane geometry but coordinate geometry too.
	www.mathsnet.net /articles/gsp4.html (973 words)

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