Question about Texas Instruments TI-84 Plus Calculator

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Where's the EXP button on TI-30XB? i need to answer a problem just like this : -log2.5(EXP)^-4

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To raise e to the xth power, use e^x, which is the second function of the LN key to the left of the 4 key.

To enter a decimal exponent, use EE, which is the second function of the , key above the 7 key.

To raise a value to another value, use the ^ key, above the divide key.

Also, don't forget to use (-) instead of - when entering a negative exponent (or any other negative value).

Posted on Sep 29, 2010

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1 Answer

I have a TI-30Xb. It keeps saying syntax error when I type 1500000 0,03/1-(1+0,03)^20. I have tried with both - but it keeps telling me the same


15000000,03/(1-(1+0,03)^20) =-18607853,8356453 or
15000000,03/(1-(1+0,03))^20
=43019579947925000000000000000000000000,0000000

Mar 25, 2015 | Texas Instruments Office Equipment &...

1 Answer

Dividing 2 different scientic equations into another


Sorry but you are using the word EQUATION incorrectly. All you have is two numbers you want to divide one by the other.
Enter the numerator 1EE (-) 14, press the division key / then enter the 5 EE (-) 12. Press the = sign.
Note: to enter the negative sign in the exponents, use the change sign key marked (-), (+/-) or [+/-] . Do not use the regular MINUS sign.
When you use the EE key, you must not enter the 10. It is understood because EE is a shortcut for *10^.

Apr 06, 2014 | Texas Instruments TI-30XA Calculator

1 Answer

I am changing something from grams to moles using Avogadro's number. When i put it into the calculator, I get the wrong answer. I have set up the problem correctly and I have an answer key. Do i need to...


Why not tell us what you are trying to do?.
n= number of moles
m= mass in g.
M= atomic or molar mass (in g/mol)
n=m/M (in mol)
To enter Avogadro's number you use the EE (*10^x) or Exp
6.02 [EE]23 No 10 should appear.
To calculate the atomic/molar mass use the Periodic table.

Oct 30, 2013 | Texas Instruments TI 30XIIS Scientific...

1 Answer

My TI-30XB WONT CALCULATE INVERSE COS OR INVERSE SIN


Does it refuse to do so or does it give an error message?
Three common errors:
  1. Not having the correct angle unit. Wrong result, No error message
  2. Confusing reciprocal of sine (1/sin(x) with arc sine (x) ,sin^-1(x). Confusing the reciprocal of cosine, 1/cos(x) with arc cosine (cos^-1(x)). Wrong result, No error message
  3. Taking the argument of the inverse sine and/or inverse cosine functions outside the interval [-1,1]. This gives a domain error.

Oct 28, 2013 | Texas Instruments TI-81 Calculator

1 Answer

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

1 Answer

The whole right side of the calculator only divides and doesn't perform the correct funtion


Batteries or solar cell dead on these TI's
Come cheap nowadays, get a Casio i.e,

Apr 28, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

Error message with exp reg


I had this problem too, turns out that if any of your y-coordinates are 0 or negative you will get a domain error. Hope this helps.

Apr 20, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

I need to take nth (8,5,4,etc) root on the TI30XA


7th root of 3.4 x10 (exp) 23

Solution:
e15c387.jpg
Try it.

Have I solve your problem?

Thanks,
-engrkoiled-

Mar 27, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

Multiplying exponential numbers


I am needing to find out what key I can push for an exponent. I have an exponent that is 2520 and I dont know what button to push for it.

The problem is as follows:

3000 ( 1+ 0.06/360) exp.2520

3000 ( 1.000166667) exp. 2520

3000 - 4565.72

Final Answer
1565.72

Now how in the world did they get 4565.72. What buttons am I needing to push.

Mar 12, 2009 | Texas Instruments TI-83 Plus Calculator

2 Answers

EXP or ee button i cannot find


x10 to the power of x is the EXP button, just press this and then the number it is to the power of!

Nov 20, 2008 | Casio fx-300ES Calculator

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