A digital chalkboard would be an awesome tool for any math classroom. The Geometer's Sketchpad looks to give you a platform to create mathematical shapes and figures, but you'll have to pay up to use it. The price is probably too restrictive for home use, but could make it a great tool for classroom use.

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The Geometer's Sketchpad is the world's leading software for teaching mathematics. Sketchpad gives students at all levels--from third grade through college--a tangible, visual way to learn. The Geometer's Sketchpad is a dynamic construction, demonstration, and exploration tool that adds a powerful dimension to the study of mathematics. You and your students can use this software program to build and investigate mathematical models, objects, figures, diagrams, and graphs. The Geometer’s Sketchpad® is the world’s leading software for teaching mathematics.Sketchpad® gives students at all levels—from third grade through college—a tangible, visual way to learn mathematics that increases their engagement, understanding, and achievement.

The program costs $69.95 to unlock anything more than a 20-minute session that won't save or print your work. This price supports up to four computers. You can only access the drawing features of the program and not the measurement features if you don't pay, as well. The Geometer's Sketchpad offers five different tools to create geometric shapes to help you visualize math problems. Then, you can measure the angles and midpoints of the shapes to solve or create equations. There are dozens of different graph types supported by the program, complete with customizable coordinates and axes. There is a freehand tool, but drawing shapes is as simple as clicking where the points and midsections of the shape should be.

There are hundreds of different applications for the program. However, by making the price a little restrictive for anyone but educators, The Geometer's Sketchpad makes it so the program only works in a classroom. Students who want a similar experience have to pony up cash or try to make the program's limited free features work. If you have the money, it can be an incredibly valuable study aid though.

Editors' note: This is a review of the trial version of The Geometer's Sketchpad 5.05.

What do you need to know about free software?

Geometer's Sketchpad 4.07 Free Download Mac

The Geometer's Sketchpad is a commercial interactive geometry software program for exploring Euclidean geometry, algebra, calculus, and other areas of mathematics. It was created by Nicholas Jackiw for the Visual Geometry Project at Swarthmore College.^[1]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). It also runs on Linux under Wine with a few bugs.^[2]

Features[edit]

Geometer's Sketchpad includes the traditional Euclidean tools of classical geometric constructions. If a figure (such as the pentadecagon) can be constructed with the compass and straightedge method, it can also be constructed in the program. The program allows 'cheat' transformations to create figures impossible to construct under the compass and straightedge rules (such as the regular nonagon). Objects can be animated.

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The program allows the creation of numerous objects which can be measured, and potentially used to solve hard math problems. The program allows the determination of the midpoints and midsegments of objects. Geometer's Sketchpad can measure lengths of segments, measures of angles, area, perimeter, etc. Some of the tools include a construct function, which allows the user to create objects in relation to selected objects. The transform function allows the user to create points in relation to objects, which include distance, angle, ratio, and others.

See also[edit]

References[edit]

Geometer's Sketchpad 4.07 Free Download

1. ^Scher, Daniel. Lifting the Curtain: The Evolution of The Geometer's Sketchpad Mathematics Educator, v10 n 2 pp 42–48 Sum 2000
2. ^WineHQ AppDB gold rating, GSP version 4.061

Further reading[edit]

• Kimberling, Clark. Geometry in Action: A Discovery Approach Using The Geometer's Sketchpad. Key College Publishing, Emeryville, California, (2003), ISBN1-931914-02-8.

External links[edit]