CAS calculators spark debate over how best to teach algebra

10/29/2003 | Chicago Tribune (tiered subscription model)

Math teachers worry that Computer Algebra System calculators, $150 devices capable of solving difficult algebraic equations in a few keystrokes, prevent students from learning how to work complex problems on their own. Although the calculators have been used for years in Europe without controversy, most U.S. high schools discourage the devices.

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