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Click on 'Home' then scroll down to get to information about the history of many of the programs on this site and to see which programs have been recently updated or added.
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Click on 'Programs' to find links to all of the programs that are on this site. Most of the programs are related to math, but you will also find several related to color, a couple related to perspective, a drawing program, and more. Try out the Alien Arithmetic program in the Arithmetic area to have fun thinking in a different base.
Click on 'SCORM' to learn about Shareable Content Object Reference Models, what they are, why they are useful, and how to make your own.
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Click here to find some of the static handouts and worksheets that I have created for the math classes that I teach at Lansing Community College.
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Triangle Draw
Click for a Full Screen Version
Future Plans:
- Add a snapping feature so parts can be snapped together.
- Add the ability to get a rough estimate on the sizes of the non-given parts after the triangle has been drawn.
- Create a SCORM compliant version, with an added assessment feature and some lecture notes.
- Add a triangle highlighting feature that shows when you have the given parts and dotted lines fitting together properly.
- Fix a bug that occurs when you hit submit a second time with the same data after rotating an angle.
- Add a toggle button that when clicked allows the user to move parts without the corresponding labels.
Recent Improvements:
- Labels now stay visible even when you don't make a part, so you can drag a label and use it for the dotted lines.
- The dots used for vertices are now see through to make it easier to line things up when using the dotted lines to connect to a given vertex.
Last Update: July 1, 2014
© 2004-2018 by Laura Shears E-mail Laura Shears at laura@lsquaredmath.us for permission to copy materials on this website unless the material you want to use is noted to be written by another author or is from another source, (in which case you need to get permission from that author, not me). No permission is needed to link to this page or any page on this site.