Just a few days ago I have to search for graphical tools softwares to assist me in economics teaching. Unfortunately, I didn't managed to find what I wants but been fortunately enough found there're a lot of FREE software specifically for viewing graph by entering a mathematic function.
Just google this word, 'GRAPHICAL TOOLS FREE' and you will find a lot of offering. I guest with a few step of learning teachers and student may be able to use it.
Sunday, February 18, 2007
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