Question about Texas Instruments TI-30XA Calculator

How do you find the lcm and gcf using the ti-30xa

SOURCE: ok im using the Ti 30xa how do i find the square

1. Type in the number you wish to find the square root of.

2. Press the square root button. It is located to the immediate left of the divide button.

Posted on Nov 13, 2009

SOURCE: How to use antilog?

Hello,

As you well know the pH is the negative of the log in base 10 of the H+/H3O+ ion concentration. If we use [H+] to represent that concentration, then **pH=-log[H+]**.

To obtain the [H+] you need to calculate the antilog. You write the definition in the form **log[H+] =-pH **and then calculate 10 to the power of each member. The equality remains valid as both members are treated similarly. Thus

10^( log[H+] ) = 10^(-pH)

Since raising 10 to a power is the inverse function of taking the log in base 10, 10^(log(x))=log(10^(x)) = x (they are inverse of one another), you are left with**[H+]=10^(-pH)**Your calculator has a function [10 to x] accessed by pressing the [2nd] function key.

Exemple: let the pH=5.5, what is the H+ concentration?

With [(-)] being the change sign key, then

[H+]:

Posted on Dec 10, 2009

SOURCE: how do i find the negative log on a TI-30Xa

Hi,

Ex: calculate -log(15.32)

- Calculate the log 15.32 [LOG] [=] result 1.185258765
- Then press the change sign key (-) result -1.185258765

Here is a picture of the change sign

Hope it helps

Posted on Dec 13, 2009

SOURCE: how to get the square root using a ti-30xa calculator?

hey det44 your a ******* thats on a ******* different calculator ***** ****

Posted on Mar 08, 2010

SOURCE: I need to use a TI 30Xa to evaluate a Logarithm

Use the relation log5(x) = log(x) / log(5) = ln(x) / ln(5)

LOG ( 1 / 625 ) / LOG 5 =

or

LN ( 1 / 625 ) / LN 5 =

Posted on Mar 11, 2010

this can only be done in Multi line calculators.

Feb 17, 2015 | Texas Instruments TI-30XA Calculator

I don't think there's specific key for this but you can do it this way:

I hope this helps :)

- Divide those 2 numbers for which you want to find gcf
- If you get result as decimal number press keys [2nd][PRB] to display it as fraction
- Also if fraction you get is in form a b/c (ex. 1 2/3) you have to convert it to form d/c (for 1 2/3 that would be 5/3)
- Greatest common factor is then 1st number divided by numerator (or 2nd number divided by denominator)

- You want to find greatest common factor of 30 and 18.
- You divide them: you should get 5/3 (after converting result to fraction of form d/c, as described in steps 2 and 3).
- This means that 30/18=5/3=5x/3x (x is gcf here).
- Now you know that x=30/5=18/3=6 so greatest common factor is 6.

I hope this helps :)

Sep 10, 2011 | Texas Instruments TI-30 XIIS Calculator

There are no such buttons, You'll find the lcm (least common multiple) and gcd (greatest common divisor) functions in the MATH NUM menu. Press MATH, right-arrow, and select the desired function.

Jul 07, 2011 | Texas Instruments TI-84 Plus Silver...

You can find the entire guide for de TI-30XA following this link:
http://education.ti.com/downloads/guidebooks/scientific/30xa/30xa-eng.pdf

Mar 05, 2011 | Texas Instruments TI-30XA Calculator

No. There are some keys on the TI-30XA that may make you think so, but they are statistical operations. For example, you can enter values using the Sigma+ key and the TI-30XA can give you the sum of the values entered, sum of the squares, mean value, standard deviation and so on.

You cannot do calculations like "Give me the sum of all integers from 1 to 100" with the TI-30XA, you'd need a far more sophisticated calculator.

You cannot do calculations like "Give me the sum of all integers from 1 to 100" with the TI-30XA, you'd need a far more sophisticated calculator.

Jan 06, 2011 | Texas Instruments TI-30XA Calculator

Use the x-root function, which is the 2nd function of the y^x key located just above the divide key. For example, to find the cube root of 8, press 8 2nd x-root 3 =

Nov 14, 2010 | Texas Instruments TI-30XA Calculator

I hope you mean the TI-30XA, since TI never released a TI-30A.

The TI-30XA uses two A76 batteries, also known as 357. You should be able to find them at just about any department, electronics, or office-supply store.

Here's the full scoop on changing batteries:

http://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetId=71660

The TI-30XA uses two A76 batteries, also known as 357. You should be able to find them at just about any department, electronics, or office-supply store.

Here's the full scoop on changing batteries:

http://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetId=71660

Oct 21, 2010 | Texas Instruments TI-30XA Calculator

It's cheaper to buy the new one. On amazon they are pretty cheap. take a look Amazon com TI 30X. cheers

Aug 24, 2009 | Texas Instruments TI-30XA Calculator

if the sides of a triangle are 15cm ,16cm, and 17 cm ,then the area of the triangle is what ?

May 09, 2008 | Texas Instruments TI-30XA Calculator

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