This is a very full-featured Java applet function grapher.
Type of Material:
Simulation.
Technical Requirements:
Java-enabled browser.
Identify Major Learning Goals:
Function Grapher eases the burden on the student in any learning situation involving functions by providing a quick graph of the function or functions in question.
Target Student Population:
High school and college students in mathematics, science, or engineering.
Prerequisite Knowledge or Skills:
The user should understand the relation between a function and its graph.
Content Quality
Rating:
Strengths:
Function Grapher does all the usual things flawlessly, and gives the user good control over the appearance of the graph while doing so. It employs standard syntax and provides a wide variety of functions, including logical operators. In addition to the basics, Function Grapher graphs sequences and sums of functions, has excellent zoom in/out features including a zoom box, and a nice trace feature that is useful for solving equations. The documentation is very clear and thorough.
Concerns:
None.
Potential Effectiveness as a Teaching Tool
Rating:
Strengths:
This would be a great tool in any algebra/trig or calculus class. Students can quickly explore the relation between a function and its graph, and examine the graphical effect of changing the function. The ability to graph sequences and sums of functions would be of great value in a calculus class. The trace tool would make solving equations graphically a breeze.
Concerns:
None.
Ease of Use for Both Students and Faculty
Rating:
Strengths:
The use of Function Grapher is completely intuitive. Zoom in/out, tick marks and axis scales are all easily controlled and do what one would expect. Syntax is standard, and is explained at length for the new user.
Concerns:
None.
Creative Commons:
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