Students routinely perform calculations on calculators without using their heads. However, for a variety of reasons calculators are indispensable.
This conflict is now resolved by a new tool that affords the benefits of calculators but avoids their damage: A new calculator (also scientific) that displays the result only after the user also entered a mental estimate, reasonable for the respective calculation.
Details can be found on www.QAMAcalculator.com
Solution to a Math-Educational Problem
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Solution to a Math-Educational Problem
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