Calculators and a new set of MATH REVIEW questions

Tangela found a reference to calculators...

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Here's what ETS (the testing service) has on its website about Calculators

MORE INFO 

Sometimes the computations you need to do in order to answer a question in the Quantitative Reasoning measure are somewhat time-consuming, like long division, or involve square roots. For such computations, you can use the calculator provided with your test.

Although the calculator can shorten the time it takes to perform computations, keep in mind that the calculator provides results that supplement, but do not replace, your knowledge of mathematics. You must use your mathematical knowledge to determine whether the calculator's results are reasonable and how the results can be used to answer a question.

Here are some general guidelines for calculator use in the Quantitative Reasoning measure:

• Most of the questions don't require difficult computations, so don't use the calculator just because it's available.
• Some questions can be answered more quickly by reasoning and estimating than by using the calculator.
• If you use the calculator, estimate the answer beforehand so you can determine whether the calculator's answer is "in the ballpark."  This may help you avoid key-entry errors.

you can see more here 

https://www.ets.org/gre/revised_general/prepare/quantitative_reasoning/calculator/

https://www.ets.org/s/gre/pdf/gre_math_review.pdf

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