Question about Texas Instruments TI-30XA Calculator

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How would you do negative exponents for scientific notation? example: (6.0 x 10^6)(2.0 x 10^4), I am required to use the EE button for my exponents since it's a scientific notation equation but I do not know how to make the exponents negative. Thanks for any help!

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Use the (-) key for negative numbers (not just exponents) instead of the - key. The - is to subtract one value from another, (-) is to input a negative value.

Posted on Sep 09, 2010

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How are numbers in scientific notation entered in Aurora SC150X calculator


Look for a key that is marked EE, or Exp, or x10^x. To enter a number in scientific notation, you enter the decimal part, then press the Enter Exponent key, followed by the exponent. If exponent is negative, you precede it with a press of the change sign key (-).
Once a number is entered there is no special treatment: multiply it divide, or add it.

Mar 16, 2012 | Aurora Electronics SC150X Scientific...

1 Answer

How does one enter a number in scientific notation in SC150X calculator


Look for a key that is marked EE, or Exp, or x10^x. To enter a number in scientific notation, you enter the decimal part, then press the Enter Exponent key, followed by the exponent. If exponent is negative, you precede it with a press of the change sign key (-).
Once a number is entered there is no special treatment: multiply it divide, or add it.

Mar 16, 2012 | Aurora Electronics SC150X Scientific...

1 Answer

I need help calculating how many protons are in 1gram


The equivalent od the EE or EXP button on the Casio Fx-115ES is marked as x10^X. It is located at the bottom right of the key pad left of the = key.
To enter the power of 10 in a number written in scientific notation, you press the x10^X button followed by the exponent. If the exponent is negative you press the change sign key first [(-)] , then the one or 2 digits in the exponent.
Example Enter the mass of the proton m_p in kilograms
1.6726217 [x10^X] [(-)]27 [=]

Feb 07, 2012 | Casio FX-115ES Scientific Calculator

1 Answer

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

3 Answers

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

How would type in scientific notation?


Use the EE key (just above the 7 key) to enter an exponent. For a negative exponent, use the +- key (just to the right of the decimal point key) to enter the negative sign.

For example, to enter 1.2 x 10^-21, press 1 . 2 EE +- 2 1

To switch the display mode to scientific notation, press 2nd [SCI] (the 5 key).

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

1 Answer

How do I find the square root of a number? and how do I enter scientific equations?


For square roots, use the square root key just to the left of the divide key. For example, 4 square-root = will give you 2.

The calculator doesn't have any way to store equations, scientific or otherwise. If you mean scientific notation, use the EE key just above the 7 key to enter exponents. For example, to enter 1.23x10^6, press 1 . 2 3 EE 6. For negative exponents, make sure to use the +- key to the right of the decimal point instead of the - key.

Sep 22, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

I don't know how to use the calculator enough to figure scientific notations


Scientific notation is a number format that has the following structure (d stands for digit)
one digit decimal mark several other digits [times] 10 raised to power of exponent
d [decimal mark] dddddd...[x] 10^ (-) dd

Here are two examples the last two results. The number of digits after the decimal mark is select by the user depending on the number of significant digits in the data. The exponent can be positive or negative.
155b19e.jpg
In you case, to enter x10^ you press the [EE] key (no 10 is entered) the sign of the exponent and the value of exponent.

Aug 22, 2010 | Texas Instruments TI-89 Calculator

1 Answer

How do I enter values in scientific notation


Use the EE (Enter Exponent) key just above the "7" key. For example, to enter 3.1x10^4, press 3 . 1 E 4.

For negative exponents, make sure to use the +<>- key just to the right of the decimal point instead of the - key.

Jun 11, 2010 | Texas Instruments TI-30XA Calculator

2 Answers

1.19x10-4=?


You can download the guidebook for this calculator from TI here.

From page 16:
To enter a number in scientific notation:
1) Enter up to 10 digits for the base (mantissa). If negative, press the +/- key. (The key has two curvy arrows between the + and - but I can't do that on my keyboard.)
2) Press the EE key.
3) Enter a 1 or 2-digit exponent. If negative, press +/- either before or after entering exponent.

They give the example 1.2345 +/- EE +/- 65 which would display -1.2345 -65.

Apr 07, 2009 | Texas Instruments TI-30XA Calculator

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