It 's easy to find websites, interactive graphing calculators, but finding a free, easy to use graphing calculator applet that is not buggy a bigger challenge. One of the best site is hosted by Utah State University NLVM National Library of virtual manipulatives. If you are not familiar with it, then NLVM is a comprehensive collection of interactive applets for students and teachers. It will not be the lack of interesting puzzles and games to find there, but this time we wanted to highlight theirGrapher Applet.
What distinguishes the NLVM Grapher is its ease of use, yet powerful interface. You can simply use the menu at the top of the screen for fractions, exponents, roots and absolute values, and all entered as they appear in a textbook. There is very little confusion on the screen to intimidate users.
There are options for a surprisingly powerful PC-based Java. Of course there is a simple function of track, which uses a cursor. E 'are the choice of three add-on cards for users, parameters and functions window.
This parameter allows the user to up to three parameters of which can be changed with a slider. If you wish to check the translation, this is a very powerful feature, because the graphical form in real time.
Not surprisingly, like the Windows registry user the ability to display graphics in the form. Fortunately, it is also possible, simply by clicking on Zooma region to display.
The Functions tab gives the user the ability to insert up to three functions. One of the really nice features is that the composite functions are supported (though not inverse functions). Other advanced features offer the possibility to choose any color and features are limited domains.
The applet does not contain all the functionality of a high-end handheld graphing calculator, but this is not the point. Whether you use a student to try, Graphicsfor the first time or involvement of teachers in the classroom, is a simple and reliable. NLVM Grapher is one of the best graphing calculators are now available online.
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