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Use negative exponent in scientific notation - Texas Instruments TI-30XA Calculator

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Use the (-) key in the far left column to enter the negative sign. Not just for exponents, either, but for any negative value.

Posted on Aug 30, 2010

  • jean raquel Jul 25, 2013

    my answers has exponents...how do i remove this?

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How do you wright 567,346 in exponential form?


You can write it in different manners. But there are two special ways scientific notation and engineering notation.
Scientific Notation (d stands for digit, any digit), D is any digit except 0
D.dddd....d*10^(exponent) . The first digit, before the decimal mark is 1,2,3,4,5,6, 7,8 or 9
You case
567346.=5.67346*10^5
Engineering notation
The exponent must be a multiple (positive or negative of 3)
Your case
567,346=0.567346*10^(6). The first digit can be 0.
The number of decimal digits retained depends on the number of so-called significant digits.

Oct 24, 2013 | Office Equipment & Supplies

1 Answer

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

Just got a SHARP EL-531X, it won't do simple calculations with scientific notation, It keep saying


To enter the power of 10 with exponent use the Exp key followed by the exponent. If the exponent is negative, you must use the negation key (-) not the - key (for subtraction).
When you press the Exp key you do not type in the 10.

Mar 10, 2012 | Sharp Office Equipment & Supplies

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I need to know how to divide, mutiply, add, and substract in scienctific notation on my Casio fx-300ES


The "problem" is not how to calculate with numbers expressed in Scientific Notation but how to enter a number given to you in scientific notation. Once the number is entered you do not have to do anything special. If you have to multiply it use the (x) button. to add it use the + button, etc.

How to enter a number in scientific notation.

Type in the mantissa (example 6.022)
Press the [X10^x] at the bottom of keypad.
Enter the exponent (example 23)
with this example you will have entered Avogadro's number 6.022x10^23
Other example
1.6 [X10^x] (-) 19 enters the electron charge in Coulombs. The exponent is negative that is why you press the change sign key (-).

Aug 24, 2011 | Casio fx-300ES Calculator

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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 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...


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.

Sep 09, 2010 | Texas Instruments TI-30XA Calculator

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How do you put in the number in scientific notation on the TI 34 II calculator?


Type in the mantissa, then the EE key (for Enter Exponent) above the 7 key, then the exponent. If it's a negative exponent, press the (-) key to the right of the decimal point before entering the exponent.

Sep 03, 2010 | Texas Instruments TI-34II Explorer Plus...

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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.
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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

Scientific notation


You have a key marked [x10^X] located on the bottom row of keys.
Example: To enter 6.02x10^(23)
6.02[x10^X] 23 [=]
If you have a negative exponent, use the change sign key [(-)]

Feb 11, 2010 | Casio fx-300ES Calculator

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