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It changes the sign of your answer between positive and negative. For example, if your calculator says 50 and you press the +/- button, it will change to -50. Press it again and it changes back to 50. It is useful if you need to multiply several numbers together and then subtract them from another number. For example say you multiplied some numbers on your calculator and got 52.932646 and you need to subtract that from 100. Instead of clearing the calculator and typing 100 - 52.932646, you could just press the +/- button to get -52.932646 and then add 100, and you will get the correct answer. It saves a step.
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What is 78 minus 51 plus 46 minus 12 times 34 plus 91 minus 83 plus 10 plus 93 divided by 3 minus 31 plus 56 times 28 minus 49 plus 34 plus 97 times 68-64 plus 33 minus 49 plus 91 times 3 plus 35?
8060 Source: calculator
How do you turn off a TI 84 plus silver edition calculator?
press the "2nd" button, and then press "On"
Is it possible to make a plus or minus sign on a ti 84?
Well, sweetheart, it's not rocket science. To make a plus sign on a TI-84 calculator, you simply press the "+" key. And to make a minus sign, you press the "-" key. It's as easy as pie, so go ahead and crunch those numbers with confidence.
What is a plus and a plus if a plus and a minus is a minus?
A plus + a plus is a plus.
What is negative 6 divided by 3?
2
