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Posted on Sep 12, 2007

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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?

Patrick

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• Posted on Jan 14, 2008
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There is a ^ aboe the divided sign. you can use that
ex x^4-x^3+x^2

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Related Questions:

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.

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 [=]

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.

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.

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.

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.

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

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.

Functions

Hello,
Your question is not in the right section. Also, it has the wrong heading. Try to pay attention, will you?
1. Use the key that appears on the sixth line in the picture. 10 [Y to the x] [(+/-)] 14 : the (+/-) is the change sign/ negation sign, not the regular minus sign. The [Y to the x] key can be used to calculate the power with any exponent ( negative, positive, integer, fraction, decimal, ..)

2. The procedure above is not efficient since the calculator has a short cut to 10 to the power., the key labeled [EE}. With this key you enter 1.[EE] (+/-) 14

Hope it helps.

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)

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