Question about Texas Instruments TI-30XA Calculator

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Calculator keys My math book shows a key 1/y. Where is this on my YI-30x?

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  • Anonymous Sep 08, 2008

    6.3

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The same as 1/x.

Posted on Sep 01, 2008

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I can't find the universal power key or the universal root key on my TI-84 plus. Can someone tell me where it is?


The power key is marked ^ and is located just above the divide key. For example, to calculate 2 raised to the 7th power, press 2 ^ 7 ENTER

There is no key for the universal root. The operation is available in the MATH MATH menu. For example, to calculate the 7th root of 128, press 7 MATH 5 1 2 8 ENTER

Aug 04, 2011 | Texas Instruments TI-84 Plus Calculator

2 Answers

WHAT IS THE (+/-) ON THE TI-30X CALCULATOR/


The +/- key on the ti-30x is to let the calculator know whether the number you are using is positive or negative. EX: 4 3 2 1 = positive -4 -3 -2 -1 = negative

Mar 08, 2011 | Texas Instruments Office Equipment &...

1 Answer

Where is the e key o the TI-30x not the e^ I need


There is no key dedicated to e. You can calculate the value by raising e to the first power: 1 2nd [e^x] =

Dec 02, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

Where is the fraction key on this calculator?


There isn't one. You can convert some values to fractional form by using the >Frac command on the Math menu available by pressing the MATH key. You can enter a fraction as a quotient, but the calculator deals with the number internally by converting it to decimal form.

For example, to see one-half plus one-third, press
( 1 / 2 ) + ( 1 / 3 ) MATH 1 ENTER

Nov 05, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

My problem involves converting in chemistry and im just trying to figure out how to do a problem 0.58 x 6.022 x 10 raised to the 23/ 1. I know how to calculate the problem just cant read the answer a more...


Press the keys:
. 5 8 * 1 2 . 0 1 x^-1 * 6 . 0 2 2 2ND [EE] 2 3 ENTER
and you should get 2.9E22. Do you get something different?

* is the multiply key on the right, between divide and subtract.

x^-1 is on the left, below MATH.

EE is the 2ND function of the , key, just above the 7.

Another way to calculate this is:
. 5 8 / 1 2 . 0 1 * 6 . 0 2 2 2ND [EE] 2 3 ENTER

This should give you the same result.

Mar 10, 2010 | Texas Instruments TI-83 Plus Calculator

2 Answers

How to do nPr or nCr on TI-30x Solar (scientific calc.)


If you have an older version on the TI30x Solar (not TI30Xa or newer) then you must use a different key sequence for nPr/nCr.

52 [2nd][x/y] 5 [2nd][nCr] gives 2598960 (the x/y button is above the Pi symbol on my version).
8 [2nd][x/y] 3 [2nd][nPr] gives 336

This took me forever to find out, so hopefully it will help someone!

Jan 27, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

What key do you use when calculating factorials? In my math book it shows 9 x! or 9!. I cannot find this key on my TI calculator.(!)


Hello,
The prb key displays two menus PRB and RAND. The factorial is the third option under the PRB menu.
4 PRB 3 displays 4! which is 24.
Hope it helps.

Oct 04, 2009 | Texas Instruments TI-30X-IISTK Scientific...

1 Answer

How do you do: 3 1/2 + 4 1/8 on the TI-83 calculator I know how to solve it by hand but if I wanted to verify my answer I don't know how to do it on this calculator.


Hello,
Unlike other, less sophisticated calculators, the TI83Plus /TI84Plus /TI84Plus Silver Edition do not have a simple key or a command for improper fractions. However there is a command -->Frac accessible through [MATH] key [1:-->Frac] that expresses a result in a proper fraction format.

Here is how you would enter you calculation
3+ 1/2 +4+1/8 [MATH][1:-->Frac][ENTER] result is 61/8
You can also ease a bit on the typing by mentally adding 3 and 4
7+ 1/2 +1/8 [MATH][1:--Frac][ENTER]

You should know about the other command that converts a fraction in decimal format. [MATH][2:-->Dec][ENTER]
If you enter this command just after the one handled above, your screen shows [Ans][-->Dec] on one line and the result 7.625 on the next. If you do not enter a number the calculator uses the last CALCULATED result, which is stored in the system variable [Ans]

Hope it helps

Sep 12, 2009 | Texas Instruments TI-83 Plus Calculator

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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