Which is the best/most powerful/approved (cost more)SAT MATH calculator applicable to both SAT M and Subject test?
There is no Subject Test anymore
Subject Tests no longer exist.
Any competent scientific calculator is plenty. The Casio 991-EX at $20 is great.
The TI-Nspire CX II CAS is probably the most powerful/most expensive. But it’s no better for the SAT.
The best calculator is the one you know VERY well. My son is an engineer and still uses the calculator he got in middle school (TI-84+ Silver). Below is a link to the calculator policy.
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This is the best advice I’ve heard calculator-wise. I used my TI-84+ CE and did better than I expected on the math section of the SAT. A friend of mine got the TI-Nspire CX II CAS just for the test expecting that it would do all the work for her, and bombed because she couldn’t figure out how to use it. There are probably exceptions but in almost all cases I think using your typical calculator is the right move.
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Agreed - whatever you get, get it well in advance and know it inside and out. It’s a tool. You can’t use a tool effectively if you’re figuring out how it works as you’re trying to use it.
Getting a “good calculator “ because “I can program all the formulas” is a terrible plan. Test constructors know you have a calculator. Questions are designed so you can’t just push buttons for an answer.
And rather than spending time programming in the quadratic formula, just learn it.
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