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How do you plug in this problem into scientific calculator TI-30XA and get the answer 2/7X +1/4= 4/9 -5/7X +4/9

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What functions are used to answere A C Theory questions

It is a generic scientific calculator and not feature rich. It can calculate trigonometric functions, exponentials, logs, powers, combinations and permutations. You must have an idea about what you are calculating in AC circuits and figure out, by reading the manual, what calculations can be performed on this basic scientific calculator. The manual is available online at

Nov 14, 2012 | Texas Instruments TI-30XA Calculator

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How do I do exponents on this calculator?

Two keys can be used to enter negative exponents on the TI-30Xa scientific calculator; the [y^x] key or the [EE] key. The [y^x] key is used for all exponents while the [EE] key is used for scientific notation only.
The examples below will demonstrate how to use both keys:

1) Entering 7^-2.

• Press [7] [y^x] [2] [+/-] [=].
• The calculator will display: 0.20408163.
2) 1*10^-3.

• Press [1] [EE] [3] [+/-] [=].
• The calculator will display: 0.001

Sep 18, 2011 | Texas Instruments TI-30XA Calculator

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How do I get my TI-30XA to go this equation properly? When I do 10^-8.55 it returns as 0.000000003 when it should be 0.000000028....(something more like that). when i compare to my textbook for chemistry,...

You can put it in scientific notation by hitting 2nd and 5. It will put your answers in scientific notation and not round that particular answer you have.

May 10, 2011 | Texas Instruments TI-30XA Calculator

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Trying to figure out how to do fractions using this

maczbel_1.jpg You can find the entire guide for de TI-30XA following this link:

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

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I have a TI30XA calculator and want to know how to multiply numbers using scientific notation. I have learned how to enter a number (e.g., 1.5 x 10 -6), but when I try to multiply it by something (e.g.,...

Press 2nd [SCI] to switch the calculator to display all results in scientific notation. The results are the same whether you do it in scientific notation or not, it's just how the number is displayed.

Feb 13, 2011 | Texas Instruments TI-30XA Calculator

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How to clear the memory key on Texas instrument scientific calculator TI 30XA or use the memory key

Your calculator has 3 memories (M1, M2,M3)
To store the number 170 in M1 use 170[STO]1
To recall a number from M1 use [RCL]1
To add a number to the content of M1 [2nd][SUM]1 (adds displayed value to contents of M1).
[2nd][EXC] 2 exchanges the value already displayed with the contents of M2:

To erase (clear) a memory register, just store 0 in it.

Hope it helps.

Oct 22, 2009 | Texas Instruments TI-30XA Calculator

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How to convert a normal ANSWER to scientific

It's been a while since my TI calculator died, but I think you can just hit EE (may be "exp" on your model) followed by =.

Aug 28, 2009 | Texas Instruments TI-30XA Calculator

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Inputing scientific notation into my calculator


1. To convert a number to scientific equation, use [2nd][Sci]
Exemples 12345 [=] screen shows 12345 Then [2nd][Sci] coverts it to 1.2345 ^04 to the power 4.
2. To enter directly a number in scientific notation (e.g. -1.2345 X10^(-65) a very small number) you use the [EE] key 1.2345[+ /-][EE][+/-]65 shows as -1.2345 -65
1.6X10^(-19) 1.6[EE][+/-]19 shows as 1.6 -19

Hope it helps

Jan 09, 2009 | Texas Instruments TI-30XA Calculator

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Inputing Scientific Numbers

If you mean using the "EE" key it's straightforward.

To enter scientific numbers, enter the number, then press EE, then the exponent value. The TI-30XA will stay in scientific display until you "clear" or turn it off. It will also switch to scientific notation if you multiply big numbers that exceed the display.

E.g. Input 3, EE, 10, X, 3, EE, 10, =, gives you the answer 9 times 10 to the power 20. Press the "square root" key and you will get back 3 times 10 to the power 10.

You can mix entries too, e.g. 3, EE, 10, X, 2, =, gives you 6 times 10 the power 10....

Nov 29, 2008 | Texas Instruments TI-30XA Calculator

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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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