Tool: Familes of Functions and Points Plotter, Matching Functions to Data 


Go to:  http://www.flashandmath.com/mathlets/calc/famplot/ (opens a new window)  
Description:  The user can enter data points and then choose from a list of families of functions: linear, surge, trigonometric, logistic, polynomial etc. to match the data points. Current values for parameters in each family are placed right in the formula for the family and change dynamically as the user presses arrows above and below them.
The author writes, "We found this applet to be pedagogically very effective because students can see clearly the relationship between values of parameters and the changing graph. One level of abstaction with a, b, c, d in each formula is removed." 

Technology Type:  Flash  
Author:  Barbara Kaskosz  
Language:  English  
Cost:  Does not require payment for use  
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Tool:  Matching Formulas to Data Applet, Plotting Points and Families of Functions  
Courses:  PreCalculus  graphs and parameters of these functions  
Calculus  Function graphs  
