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How do i use the TI-30XA for algebra - Texas Instruments TI-30XA Calculator

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Well it depends on what you are wanting to do.

  1. Graphing- get a graphing calculator!
  2. logistics- for log base 10, just divide the number by 10.
  3. ln- divide the # by the number e (roughly 2.72)
  4. sine, cosine, and tangent- there should be a "SIN", "COS", and "TAN" button, if not the ratio for each, respectivly is opposite/hypotnenuse, adjacent/hypoteneuse, and opposite/adjacent. (The opp/adj being side opp or adj of angle you are doing)
  5. Just Ask your teacher!

Posted on Sep 27, 2010


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Related Questions:

1 Answer

Factor polynomials with TI-30xa

This simple scientific calculator does not factor polynomials. Get a calculator with a Computer Algebra System.

Jun 11, 2014 | Texas Instruments TI-30XA Calculator

1 Answer

How to push equation into calculator 2x/3+4=2x

Unfortunately, the TI-30Xa calculator does not handle algebraic expressions.
If you are interested in knowing more about the capabilities of the calculator, follow the link to download the guide book.

Mar 01, 2012 | Texas Instruments TI-30XA Calculator

1 Answer


This calculator cannot solve equations and does not have an x key. You will require a calculator with a computer algebra system like the TI-89 or TI-nSpire CAS.

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

1 Answer

How do i put the equation x+4y=20 on my calculator?

You cannot. The TI-30XA is a simple calculator lacking any symbolic algebra or equation processing. However, if your task is "given a value for x, what is the value for y" for the equation you give, you can rearrange it a little:


Thus, if you want to determine the value of y for x = 16, key in 5 [-] 16 [÷] 4 [=] and get the result y = 1. To double check, substitute x and y in the original equation:
16 + 4 x 1 = 16 + 4 = 20.

Feb 12, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

What the keys mean

Algebra is a vast subject and cannot be reduced to pressing a single key.
Here is the meaning of all the operations on the calculator.





Jul 23, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

How can I enter algebraic expressions?

You cannot. Expressions like these are best handled by hand.
Hope it helps.

Sep 23, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

Beginning algebra-help-

It's an algebraic calculator that evaluates higher order functions like X, / before +, -.

So you have to make sure you input properly.

Your example:

1-61+2= will give you top line result.

Then enter

You need the brackets for the divisor or it will divide the top line result by 5 and then subtract 6 from that result, which is not what you are trying to do!

Sep 13, 2008 | Texas Instruments TI-30XA Calculator

2 Answers


The TI-30XA cannot solve algebraic equations. You need a more advanced calculator for that, like the TI-89.


Oct 04, 2007 | Texas Instruments TI-30XA Calculator

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