By Kristin Stanberry , Marshall Raskind, Ph.D.
A talking calculator has a built-in speech synthesizer that reads aloud each number, symbol, or operation key a user presses; it also vocalizes the answer to the problem. This auditory feedback may help a student check the accuracy of the keys he presses and verify the answer before he transfers it to paper.
This type of tool benefits people who struggle with: math.
Updated February 2010
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