Question about Texas Instruments TI-30 XIIS Calculator

How do you use the ti-30x to make a number to the 3rd power?

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Type in the number you want to raise to the 3rd power. Then press the button that looks like a rooftop (4 buttons above the on button). Then type 3 then type enter/=.

Posted on Aug 06, 2009

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Posted on Jan 02, 2017

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What is a cas calculator

Some high-end calculators have a Computer Algebra System built-in. These systems can do symbolic algebra, that is, with symbols instead of numbers, for example factoring a^2-b^2 to produce (a+b)(a-b).

The TI-30x isn't one of them.

Apr 29, 2014 | Texas Instruments TI-30X-IISTK Scientific...

How do i charge my TI-30X IIS calculator

You don't. The 30X IIs runs on both solar power and a 2025 lithium battery. If you need to replace the 2025 battery, see this.

Sep 29, 2012 | Texas Instruments TI-30X IIS Scientific...

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...

I bought it at a rummage sale and what a manual for it where can i get one? And is different from the TI 30X 11?

You can download the TI-30Xa guidebook from the manufacturer's web site at

The TI-30Xa replaced the TI-30X within a year. The only enhancement was the added Constant key.

The TI-30XII, introduced about five years later, is a significantly different calculator, incorporating, among other things, a two-line display.

Jun 13, 2011 | Texas Instruments TI-30X Calculator

For calculator TI-30X II S My solutions only come out in the tenth's place if its a decimal. for example: 0.123 will only show as 0.1

Press 2nd [FIX] to bring up the display menu. You can select the number of digits after the decimal point, or "F" to select the floating decimal display.

Apr 28, 2011 | Texas Instruments TI-30X-IISTK Scientific...

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 &...

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

TI-30x...I am trying to figure out how I use this calculator

Hello,
Entering the keys and number as you write it can be done with enough parenthees to make sure calculator does what we intend it to.
But I would rather use the commutativity propertie of multiplications to same me some extra ().

Step 1
4 [(+/- change sign)][2nd][10 to the x] [ X ]6.1923 [=]
Step2
[x^2][=]
I first calculate the product 6.1928 x 10^-4 then take the square of the result. Because you can never be sure that the calculator takes 6.1923 to power 2 then multiply or multiply 6.1928 x 10^-4 and raise to power 2.
You can force the calculator with an opening parenthesis and a closing one but if you omit the ) and get an error, it may be hard to detect.

Hope it helps.

Sep 15, 2009 | Texas Instruments TI-30 XIIS Calculator

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...

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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