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Texas calculator which key do I use to solve a % problem on my texas calculator ti-30xii

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Use the % key.
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Posted on Aug 23, 2010


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My Texas Instruments I-30XIIS keeps giving me a DEG and an arrow and I don't know how to take it of

The DEG is probably for degrees. A calculator normally has to be set to degrees, radians, or gradians. A short form of one of these three will typically always be displayed on a calculator. The arrow seems to be a storage of what has been keyed.

Good luck,


Oct 26, 2016 | Texas Instruments Office Equipment &...

1 Answer

Texas 30XIIB binomial cdf

The only known equation for the cumulative binomial distribution is the sum of the individual binomial probabilities. Some more sophisticated (and more expensive) calculators have that equation built in, but the 30xii does not.

If n>30 and n*p>5 and n*(1-p)>5 then you can approximate the cumulative binomial with the normal probability function, but again the 30xii does not have that built in.

Apr 14, 2014 | Texas Instruments TI-30 XIIS Calculator

2 Answers

Change base log page 108 may shed light on this. This may not be your exact model but the keys work the same.

Nov 29, 2013 | Texas Instruments Ti 30x Iis Scientific...

1 Answer

How do i use this for algebra equations, putting in varables and such

Calculator manual:
If you are just trying to solve a simple quadratic equation by entering coefficients, this calculator does have those features. The TI-83 is a better choice for that kind of function.

Sep 15, 2011 | Texas Instruments TI-30 XIIS Calculator

1 Answer

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

1 Answer

Which key on the Texas Instruments T1-30X2S calculater gives the square root of a number?

Here's where you can get 2 guides for your calculator (1 quick reference card, and a longer manual):

To calculate square root of 25, enter
[2nd Function]
[square root key]
[close parenthesis key]
[ENTER key]

the TI 30XII-S calculator then calculates and displays the answer, 5.

May 13, 2011 | Craftsman Drills

2 Answers

I have a texas ti 30x IIs I need to know how to do different math problems with it


You can download the complete manual with all the operating instructions by clicking this link:

You'll require Adobe PDF Reader installed on your PC to view this manual. If it is not already installed on your PC, download it free from:

Hope this solves your problem. Thanks.

Oct 14, 2009 | Texas Instruments TI-30XA Calculator

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Need to know how to work this

Look at the manual:
Rate me, thanks.

Jun 17, 2009 | Texas Instruments TI-30 XIIS Calculator

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I want to learn how to use a calculator, the texas instruments ti-30xiis

Rate me, thanks.

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

1 Answer

How to use the square root button on TI-30XIIS

First press [2nd] button then [root button] then the number you want then [ ) ] close and enter.
For more about your calculator:
Rate me please, thanks.

Jan 16, 2009 | Texas Instruments TI-30 XIIS Calculator

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