This is a fully functional online graphing calculator that handles any type of 2D function.
Type of Material:
Can be used as an instructor tool for demonstrating graphs in class and students creating graphs outside of class.
Works an every browser and smart phone.
Identify Major Learning Goals:
The student will use this calculator to visualize graphs.
Target Student Population:
Any course that involves graphing.
Prerequisite Knowledge or Skills:
This calculator has all the tools for graphing in two dimensions. It can graph functions, parametric curves, implicitly defined curves, polar functions, inequalities, functions of y, and piecewise defined functions. This calculator graphs as you type. Textboxes and interactive sliders can also be added. There is a sharing feature that posts it to social media sites. There is an embed function that allows for posting into the user’s webpage.
It would be nice to see a “calculator” function that would allow for advanced calculation such as finding roots, doing statistics, etc.
Potential Effectiveness as a Teaching Tool
Since this can be used for free on any platform, it can be used as an exploratory tool both in class and outside of class. There are sample art pieces created from equations and inequalities only. This can encourage students to appreciate the artistic uses of mathematics. The slider capability allows for interactive exploration of concepts such as how parameters shift a graph. There is also a button that turns on the “Projection Mode” which makes graphs better visible if the applet is used with a multimedia projector.
There are no pedagogical suggestions included on the site nor are there examples shown of lessons for learning; however this site is new and growing and that could come in the future.
Ease of Use for Both Students and Faculty
Anyone can easily go to this site and start graphing. It is well thought out especially in that it is easy to use both on a regular computer and a smart phone. There is an accompanying instruction manual available to download from the Help link that is surprisingly simple to read. There is also a link to a short You-tube video with explanation of basic features.
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