Question about Texas Instruments TI-83 Plus Calculator

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How to use exponent function

HOw do u get the exponent sign on the graphic calculator to do a quartic function? where is the exponent sign and how do u get it?

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There is a ^ aboe the divided sign. you can use that
ex x^4-x^3+x^2

Posted on Jan 14, 2008

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Posted on Oct 07, 2007

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Im trying to do a poisson distribution on my ti030xa. i dont care if i have to do it in pieces. i just dont understand how to do the e which is 2.71828 to the -3 exponent times 3 to the fourth power.


You want to enter an exponential of some sort. There is a key for that function. Look for the natural logarithm function whose key is marked [LN]. The exponential function key is accessed through [2nd] or [Shift] followed by [LN].
If exponent is negative, use the change sign key (-) or +/- to enter the negative sign, followed by the exponent.
See the screen capture that follows.

25951332-q2pwurzke5pnc5434ywey2dm-4-0.jpg

Nov 10, 2015 | Office Equipment & Supplies

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How do i enter an exponent on the


It depends on the base of the power function.
For exponential function use [SHIFT][LN] (e^x) followed by the exponent value. If exponent is negative use the change sign +/- key before exponent.
For a general power, type in the base (number), then press the [Y^x] key followed by the exponent.
For a power of 10, use the [Exp] key. Careful here. For example to enter 1.6x10^(-19), type in 1.6, press the [Exp] key, then the change sign key +/- and the exponent. Press [=]
1 . 6 [Exp] +/- 19 [=]

Sep 28, 2014 | Sharp EL-531WBBK 12-Digit 272-Functions...

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

Exponent function keys


Which exponent function?
To enter an exponent of ten, use 2nd [EE].
To raise ten to an exponent, use 2nd [10^x].
To raise e to an exponent, use 2nd [e^x].
To raise an arbitrary number to an exponent, use ^.

Feb 23, 2012 | Texas Instruments TI-84 Plus Calculator

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I have a Texas Instruments TI-84 plus silver edition calculator, and I need to know if it has a exponent key?


If you want to raise a number to another, use the ^ key located just above the divide key.
For natural antilogarithm (exponentiation of e), use 2ND [e^x] (the shifted function of the LN key).
For common antilogarithm (exponentiation of 10), use 2ND [10^x] (the shifted function of the LOG key).
To enter a decimal exponent as part of a number, use 2ND [EE] (the shifted function of the comma key, located just above the 7 key.

Sep 08, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

I need to use the exponential function with a negative exponent on my TI-30XIIS. I hit 2nd then e^x button, but when i input a negative exponent I get an error. Help please!


I think what you did was use the minus sign instead of the negative sign, on that calculator, the two are not interchangeable. I purposely used the minus sign just now and also got a syntax error, but it looks like it works with the negative sign (-) located under the 3 button.

May 08, 2011 | Texas Instruments TI-30 XIIS Calculator

1 Answer

TI-84 Plus Silver Edition. When dividing negative powers of ten by other negative powers of 10 the calculator it just adds the the negative powers together. How do i fix this? An example: 5*10^-10 /...


To enter an exponent, positive or negative, use the EE (Enter Exponent) key (the shifted function of the , key just above the 7 key). Do 5 2ND [EE] (-) 1 0 / 5 2ND [EE] (-) 1 0 ENTER and you'll see 1.

What I think you're doing (I can't be sure without seeing your keystrokes) is calculating
5*10^-10/5*10^-10 which is interpreted as (5*10^-10/5)*10^-10, which indeed is 10^-20.

Oct 16, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

How do I do e^(0.2)? When I enter e^(0.2) I get Syn ERROR.


  1. Press [2nd][LN] to activate the exponential function.
  2. Type in the exponent 0.2
  3. Press [EXE]

[2nd][LN]0.2[EXE] Result is 1.221452758

DO NOT PRESS [^] : this is the source of the syntax error.
You can put the exponent in parentheses.
If exponent is negative, press the change sign key (-) right after the e appears on screen.

[2nd][LN][(-)]0.2 [EXE] gives 0.8187307531

Sep 30, 2010 | Casio FX-9750GPlus Calculator

1 Answer

How do I use a negative exponent when working working with natural exponential functions, on this calculator?


The same way you'd work with positive exponents. The only difference is that a negative exponent has a negative sign, entered with the (-) key just to the right of the decimal point.

The (-) is used to enter negative numbers, not just exponents. The - key is used to subract one value from another.

Sep 23, 2010 | Texas Instruments TI-30XA Calculator

2 Answers

How do I cube root a number on my ti89 titanium calculator?


To find the cubed root of say...8, then you would type this into the calculator:

root(8,3)


Nov 02, 2009 | Texas Instruments TI-86 Calculator

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