Question about Texas Instruments TI-30 Xa Solar Calculator

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How would I be able to enter a varrible and get the actual solution for it on my TI-30X11S Calculator? Like for example, enter this into the calculator: 5(a - 12)= 8(3a 2) and get this: a = - 4? Am I able to do that? If so, how?

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How do i put the 5(a-12)=8(3a2)and get this a=-4

Posted on Sep 27, 2010

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Here's the problem x - 5 = 10, how do I get the actual = sign to show up like this example?


It depends on the calculator. The Casios have two = signs. The main one tells the calculator to evaluate the expression entered. It is at the bottom of the face of the calculator.
There is a second key that helps you enter the = sign without executing the command. To type in that = sign, you press the ALPHA key followed by the CALC key. The = sign is entred. Usually that sign is used when you want to enter an equation to be solved.

What I said above to some Casio calculators. However your question is under the Texas Instruments Calculators heading, and I have no idea which TI calculator you have in mind,

Mar 11, 2013 | Texas Instruments Office Equipment &...

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How to calculate cube root on simple calculator


That depends on how simple a calculator. I'll give some examples below for calculating the cube root of 8.

On a TI-86, press 3 2nd [MATH] F5 MORE F4 8 ENTER

If the calculator has a "^" or "y^x" key, raise 8 to the 1/3 power. Again, on the TI-86, press 8 ^ ( 1 / 3 ) ENTER

If the calculator has a logarithm key, take the logarithm, divide it by three, then take the antilogarithm. Again, on the TI-86, press 2nd [e^x] ( ln 8 / 3 ) ENTER

On a slide rule, place the hairline over the number on the K scale and read the cube root on the D scale.

Jan 10, 2013 | Texas Instruments TI-86 Calculator

1 Answer

How do i enter a decimal exponent in TI-30XA calculator. for example 10^-8.85


Use the 10^x function in the top row of the keyboard.
Press 2nd [10^x] +/- 8 . 8 5 =
The +/- key is just to the right of the decimal point key.
If you're entering integer exponents, you can use the EE key just above the 7 key. For example, to enter 10^8, you can press 1 EE 8

Apr 30, 2012 | Texas Instruments TI-30XA Calculator

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I am using a TI-30 calculator and I am trying to calculate student loan payments. I need to know how to put a negative exponent into the calculator to process the formula. Example: (1+ .0075) to an...


Depending on your version of the TI-30, you will either find a button with a y to the exponent of x or a button that is the carot (^) sign. you would type (1.0075)^(-240), where ^ is the appropriate button (y^x or just ^).

Jul 18, 2011 | Computers & Internet

1 Answer

Can i do sigma notation on a 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.

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

1 Answer

Hi how do i enter the cube root on my Texas Indstruments TI-30X11S


Use the xth-root function. It's the shifted function of the ^ key, above and left of the 7 key. For example, to calculate the cube root of 8, press 3 2nd [xth-root] 8 =

Nov 22, 2010 | Texas Instruments TI-30 XIIS Calculator

1 Answer

How do you enter exponents on a ti-30xa calculator?


Use the key marked "EE" (for Enter Exponent). For example, to enter 1.2 times 10 to the 17th, press 1 . 2 EE 1 7

Feb 07, 2010 | Texas Instruments TI-30XA Calculator

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