Question about Texas Instruments TI-30XA Calculator

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Exponents How doyou input simple powers with imaginaries for ex: (4+5i)^6?

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X/;==

Posted on Apr 11, 2008

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Every time I use exponents, I get the right numbers, but the wrong decimal point.


Since exponents are hard to type, we usually use the carrot key, "^".
I get the correct answer on my calculator. Could it be set to scientific notation and there is a "-1" off to the right?

Let me know.
Good luck.

Paul

Mar 07, 2016 | Office Equipment & Supplies

1 Answer

How to enter exponents ex. 10 to the 4th power???


Press 1 E 4

The E means "times 10 to the" so 1E4 is 1*10 to the 4th 10 to the 4th.

Oct 16, 2013 | HP 33s Calculator

1 Answer

How to figure exponents


use the up caret for exponents
ex: 10 to the 2 is 10^2

Feb 27, 2011 | Texas Instruments TI-30 XIIS 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

1 Answer

Can you have negative exponents appear as a regular decimol?


I am not sure what you mean. I will try to guess.
If you use the universal power key marked [^] you can use any type of exponent, Just enclose the expression for the exponent in parentheses to avoid ambiguities.

EX: exponential of -3X+5
[2nd][LN] [( ] [(-)] 3 [X,T,Theta] [+] 5 [)]

If by exponents you mean powers the result will be displayed usually as decimals.

I suggest you enter the calculations you have to perform and press [ENTER]. The calculator will inform you in case of ERROR. In case of error with message QUIT or GOTO, select the GOTO option and you will be taken to the offending entry.

Jun 14, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Have a TI30Xa, i am trying to input 100 micro squared. how do I do this?


Usually you do not use the prefix micro by itself, it must be followed by the name of a unit: 1 micrometer=10^-6 meter. This being said, you want to enter 100*10^-6 and raise it to power 2.
For this you can use the exponent rules.
  1. 100*10^-6=(10^2)*(10^-6)=10^(2-6)=10^-4; product of powers =>algebraic sum pf exponents
  2. (10^-4)^2=10^(-4*2) =10^(-8) ; power of power =>product of exponents.
With your calculator: You have a key near which is written [10 to x]; you access the function with [2nd][10 to x]

In what follows, I will enter (10^-6)* 100 and square it. I will use the change sign (-) or [+/-] key
(-6) [2nd][10 to x] [*] 100 [=] [x^2] [=]

The first = calculates 100*10^(-6), the second [=] calculates the square of the number obtained after the first [=].
There are other ways that use parentheses to avoid ambiguities, but I think this is the safest one for you. Be warned that the result will most likely be displayed in scientific format, 1.00 -08 where the -08 will be raised with respect to the main level line. If not, the result will be 0.00000001



Feb 17, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

Decimals in the exponents for TI-30Xa


Hi,
You have a key labeled [Y to the x], use it for all the powers or roots that do not have a dedicated key or key sequence. Let the key be [^]

Ex: 13.675 to the power 1.33 is entered as 13.675 [^] (1.33) [=].
The result is 32.41778634
Ex: (-64)[^](2/3) [=] gives 16 as result. The (-) is the change sign key
Ex: (2.87655)^(-6.778) is entered as 2.87655 [^] ( (-) 6.778 ) [=] 0.0007758
The (-) is the change sign (or the negative of), not the regular minus. When you have a negative exponent or a complicated exponent, it is safer to enclose the whole exponent inside parentheses.

Hope it helps.
Thank you for using FixYa

Nov 21, 2009 | Texas Instruments TI-30XA Calculator

2 Answers

Using imaginary numbers in a matrix


Press MODE and select one of the two complex modes.

Mar 30, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Entering a problem


Hi Loringh,
see, high exponents are +ve powers, while low exponents are -ve powers.
e.g. for 1200000=1.2X10^6=1.2E+6 (high exponents)
for 0.0000000012=1.2X10^-9=1.2E-9 (low exponents)
I think so easy ?

Thanks

Zulfikar Ali
ali_zulfikar@yahoo.com
9899780221

Dec 12, 2008 | SoftMath Algebrator - Algebra Homework...

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