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How do you use this for a negative number - Texas Instruments TI-30XA Calculator

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Use the +/- key, located at the bottom of the keyboard between the decimal point and = keys.

Posted on Mar 28, 2011

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What is a negative numbers


a negative number is any number less than zero. for example if you subtract 4 form 3 you get -1 which is negative one.

Nov 17, 2014 | Office Equipment & Supplies

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WHERE YOU WOULD USE NEGATIVE NUMBERS IN REAL LIFE?


The most common use is to represent a loss of something, usually money. So if you make up a cash flow statement, debits are negative. In a balance sheet, liabilities and debts would be negative.

In electrical engineering, negative voltages are used on circuit diagrams

Temperatures colder than 0 deg are written as negative numbers

The stock market uses negative numbers when indicating downward swings and trends

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Negative numbers


The plus sign in front of a number does not need to be written. However if the number is negative, the sign must be used. The calculators do have a key to make a number negative. It is usually marked as (-) where the negative sign - is than smaller the minus sign for the subtraction operation. On other calculators, the key is marked as +/-. You must be careful how to use it: it must be the first sign of any expression.

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1 Answer

When I square a negative number, my calculator gives me a negative number. i.e. -4^2=-16


No, you're not squaring a negative number, you're negating a square. When you press (-) 4 ^ 2 ENTER , the calculator is calculating -(4^2). 4^2 is 16, and the negative of that is -16. What you want to do is to calculate (-4)^2 by pressing ( (-) 4 ) ^ 2 ENTER .

Jul 11, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

Which button do you push to enter negative numbers?


On the TI30X IIB the negative symbol is located one button to the right of the decimal place, just below the number 3.
To enter a negative number press the negative symbol "(-)" whose location was described above and then enter the positive form of the number. You will see the negative symbol on the screen indicating that the number is negative.

Mar 16, 2011 | Texas Instruments TI30X IIB Scientific...

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I am having issues performing a simple function on my TI-30XS calculator. when I square a negative number - I get a negative number as opposed to a positive number?? example -3 - which I specify the...


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.

To calculate the latter: ( (-) 3 ) x^2 =

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

1 Answer

When i square a negative, i get a negative answer, how do i fix it so it gives me the positive number?


Actually, you're negating a square, not squaring a negative. When you put in -x^2, it's getting calculated as -(x^2). In order to square a negative number, use parentheses and calculate it as (-x)^2.

Also, make sure you're using the +- key to the right of th decimal point instead of the - key when entering the negative number.

Oct 01, 2010 | Texas Instruments TI-30X-IISTK Scientific...

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Whenever I type in a negative number raised to an exponent, the calculator outputs a negative number! even for a question like -2^2. How do I fix this?


You're not raising a negative number to an exponent, you're negating a number raised to an exponent.

If you want to raise -2 to the second power, you need to enter it as
( (-) 2 ) ^ 2

Without the parens, what you're getting is the equivalent of -(2^x)

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4 Answers

How do you enter negative numbers on a TI-30X iis calculater?


On the bottom of the calculator near the zero and the enter key it has the symbol (-) that is a negative number symbol

Nov 22, 2008 | Texas Instruments TI-30XA Calculator

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Negative answer when squaring a neg number


You must put all negative numbers in Parenthesis otherwise your calculator is not squaring the negative .

Apr 20, 2008 | Texas Instruments TI-85 Calculator

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