Question about Texas Instruments TI-30XA Calculator

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How do I get a negative number?

How can I get a negative number on my TI-30XA calculator? For example, how would I type in:
-6 x (-7)
By the way, the parentheses are not important just tell me how to get the negative numbers please.

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  1. Press the fourth bottom grey key.  It has a + and -  in it with some arrows right next to a green key.

Posted on Nov 23, 2008

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I don't know how to type in negative exponents on my TI 30XIIS


The same way you type in a negative number. Make sure you use the (-) key just to the right of the decimal point key to enter a negative sign, not the - key you use for subtraction.

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I want to divide by a negative number.


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How do you make a negative number on a TI-30XA claculator


Type the number as a positive, followed by [+-] key (bottom row, left of the [=] key).
I.e. to get -42, key in:

[4] [2] [+-]

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You're not calculating the square of a negative number, you're calculating the negative of a square. You need to use parenthesis to indicate the square of a negative number.

You're calculating -(3^2), not (-3)^2.

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Dec 05, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

I cant figure out how to get the square root of a negative number


The square root of a negative number is an imaginary number, and the TI-30XA does not deal with imaginary numbers.

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How would you do negative exponents for scientific notation? example: (6.0 x 10^6)(2.0 x 10^4), I am required to use the EE button for my exponents since it's a scientific notation equation but I do not...


Use the (-) key for negative numbers (not just exponents) instead of the - key. The - is to subtract one value from another, (-) is to input a negative value.

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You compute the negative of a logarithm the same way you compute the negative of anything else. However, do you really mean the antilog (inverse logarithm)? Use 2ND [e^x] for the natural antilog, 2ND [10^x] for the common antilog.

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Scientific notation


You have to use the EE button right next to the parenthesis and the sigma plus button. So 1.7 EE and then your exponenet. If it is a negative exponent you need to hit the negative button before you type in the number.

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