Question about Texas Instruments TI-30XA Calculator

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

Ive been doing zero minus # equals to get in negative numbers, but is there a easier, simpler way to do it?

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

Posted on May 01, 2009

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This is an answer for the TI-30XA calculator...

1. Enter in your number.
2. Hit the yellow 2nd key.
3. Hit the key below the number 3 key.

That should make your number negative now.

Posted on Dec 13, 2008

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The negative button is located on the bottom right side, right below the 3 key and to the left of the = key...on a TI-30X IIS

Posted on Dec 13, 2011

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There a negative and positve sign next to the number 1 key

Posted on Dec 02, 2008

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1 Answer

How to solve an equation with negative exponent


You probably want to calculate the numerical value of some mathematical expression with numbers raised to negative exponents.
Just enter the expression as you would with positive exponents Except that before entering the value of an exponent press the change sign key, marked (-), or +/- or (+/-). Do not confuse the change sign with the usual minus sign, which is usually displayed bigger then the change sign. Make sure that the (-) is displayed before the value of the exponent. Use parentheses if necessary.

Feb 14, 2014 | Texas Instruments TI-30X Calculator

1 Answer

My TI-30X IIS is stuck on "fix"


You can use FIX notation display but specify the number of digits you retain. Press [2nd][FIX] and select the number of digits after the decimal mark (from 0 to 9). However if you do you will constantly have many unnecessary 0.
You can set the display to FLOAT.
To do so, press [2nd][SCI/ENG]. From the three choices you have select FLOAT.

Apr 19, 2012 | Texas Instruments TI-30X-IISTK Scientific...

1 Answer

How do I write a negative number on my TI-30xIIs calculator?


tap the minus key before you enter the integer, i think, please check in the user manual..
Below is a weblink for a user manual please download this for reference,
ec1.images-amazon.com/media/i3d/01/.../MANUAL000004576.pdf

Oct 05, 2010 | Texas Instruments TI-30X-IISTK Scientific...

1 Answer

On a TI-30IIS, how do you type in a negative exponent?


Use the (-) key to the right of the decimal point. Use this key for entering any negative number.

Jul 07, 2010 | Texas Instruments TI-30X-IISTK Scientific...

1 Answer

What do i hit to make a number an negative


Do not use the main MINUS sign for subtraction. Rather, use the change sign key. The key may have a + and - with two arrows, one pointing left the other right. On some calculators the key is marked with (-)

Apr 14, 2010 | Texas Instruments TI-30X-IISTK Scientific...

1 Answer

Err:syntax when I try to graph with ''-'' on ti-84 plus


Hello,
The calculator has two minus signs
  1. The regular MINUS sign which is used with the subtraction operation. This operation is binary, requiring two operands (two terms). In a-b, a and be are the operands (they very specific names, but I will skip this detail).
  2. The negation or change sign. This operation is called unary, requiring one operand. -a means take the negative of the number a.
These are the technicalities, in which you may not be interested. On calculators, the two operations are implemented differently, with two signs, the regular minus sign -- , and the change sign (-) usually smaller in size than the regular -- sign and raised above the main line.

Examples. Let (-) be the negation and -- the regular minus.
  • If you enter (-) 12 the TI84Plus accepts it and calculates the negative of 12.
  • If you enter 12 (-) 13 the TI protests with a syntax error
  • If you enter 12 ( (-) 13) the calculator interprets it as 12* (-13) and calculates -156.
  • If you enter --12, the calculator displays Ans--12, where Ans is the last result calculated. If Ans happens to be 0, the new result is obviously the one you are expecting. But if Ans holds a non zero value, this is incorrect.
Suppose you have to calculate X^(-2)*X^(-1/3)
You can enter it exactly as it is written above. In this case, you must use the change sign (-) in both factors.
You can also decide to use the power rules and enter the expression as X^( -2 --1/3). In this case the first minus is the negation and the second is the regular minus.

I could go on with a few more examples, but that will take us away from your present concern.

In short.
  1. If the minus sign is the leftmost (first) symbol in your function (after the Y1=) you should use the negation. Any subsequent minus should be the regular minus --
  2. If the minus sign is the first symbol in an exponent, you must use the negation. Any subsequent minus in the expression of an exponent should be the regular minus --
I hope it did not bore you death with details you do not care to know about. I do hope that it will help you prevent this type of syntax errors.

Do not forget to rate the solution

Dec 13, 2009 | Texas Instruments TI-84 Plus Silver...

2 Answers

Standard Percentages on TI-30X IIS


You must enter 100+10%100 or 100+10%(100). This will give you the correct answer of 110.

Nov 25, 2009 | Texas Instruments TI-30X-IISTK Scientific...

1 Answer

How to put a exponent on this calculater


Hello
To raise a number to an arbitrary power you use the [^] key below [CLEAR]

7.5 to power 4 is entered as follows
7.5 [^]4 [ENTER] gives 3164.0625

Other exemples (if you are interested)
Fifth root of 300 is enterd as 300[^](1/5) [ENTER]
If you raise a number to a negative power use the small minus sign (-)

157 to power of -3
157 [^][(-)]3 [ENTER] gives 2.584E-7 =2.584x10^(-7).

Hope it helps

Sep 09, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Standard Deviation


Press 2ND [CSR] to clear the stat data.

For each data point, enter the number followed by SIGMA+

If you have grouped data, enter the number followed by 2ND [FRQ] followed by the frequency then SIGMA+

Press 2ND [sigma x n] for the population standard deviation or 2ND [sigma x n-1] for the sample standard deviation.

May 25, 2009 | Texas Instruments TI-30X-IISTK Scientific...

2 Answers

1.19x10-4=?


You can download the guidebook for this calculator from TI here.

From page 16:
To enter a number in scientific notation:
1) Enter up to 10 digits for the base (mantissa). If negative, press the +/- key. (The key has two curvy arrows between the + and - but I can't do that on my keyboard.)
2) Press the EE key.
3) Enter a 1 or 2-digit exponent. If negative, press +/- either before or after entering exponent.

They give the example 1.2345 +/- EE +/- 65 which would display -1.2345 -65.

Apr 07, 2009 | Texas Instruments TI-30XA Calculator

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