KLynnTX Posted October 14, 2010 Share Posted October 14, 2010 My ds is taking Pre Calculus--Teaching Textbooks. His lesson just informed us, that we need a graphing calculator. These are priced at Walmart at over $100. Is there a good, free one online? I see some listed on google, but I don't know if they are any good. Quote Link to comment Share on other sites More sharing options...
Mama Geek Posted October 14, 2010 Share Posted October 14, 2010 If your son is thinking about going into a math or science field, you might consider buying one. I have had mine for 17 or 18 years and my dh has had his for about 15 years. They both still work well and once you learn how to use them, they are usable for a long time. Quote Link to comment Share on other sites More sharing options...
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