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Where is the inverse button on a TI-30XA calculator?

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It is the second function of the Pi button.
First you have to push the yellow 2nd button and after the Pi button.

I hope it helps.

Posted on Mar 15, 2011

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1 Answer

How can i use inverse cosine Ti-30xa


Enter the value then press 2nd COS.
For example, to calculate the inverse cosine of 0.5, press . 5 2nd COS =

Dec 08, 2013 | Texas Instruments TI-30XA Calculator

1 Answer

Hi, how do i calculate log^-1(-2) on my ti-30xa? thank u.


The inverse of the log function is the power function.
For log in base 10 that inverse is 10 to a power of
More generally, let b be the base of the logarithm. If y=log_b (x) then x=b^y
For your case log=log_10, to calculate the inverse you perform 10^(-2)=0.01=1/100
On calculators the log in base 10 and its inverse share the same physical key. One is accessed directly, the other is the shifted key function.

Sep 09, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

Hi, how do i calculate log^-1 on my ti-30xa? for example, in order to calculate log^-1(-2), what do i do? thank you.


The inverse of the common log function is the power function with base 10 (10^). It shares the same physical key as the log. You acees the function by pressing [2nd] [log]

Sep 09, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

I need to find the inverse key on the ti-30xa, one person stated the Pi button, but it seems it isn't on this calculator,


The one-over-x key is located two rows above the 7 key. The pi key is located just to the left of that.

Aug 25, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

I'm using the original TI-30 SOL calculator. Is there any way to do inverse sine or cosine?


Of course. Just press the INV key before pressing the appropriate trig function key. For example, to calculate the inverse sine, press INV then sin.

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

1 Answer

Using the correct key combination to determine inverse log


Hi,
Sorry to contradict you but there are many types of logarithms, the most important ones are
  1. the common logarithms (log in base 10),
  2. the natural logarithms (logarithms in base e)
  3. the binary logarithms (logarithms in base 2)
On calculators, the common logarithms are labeled [LOG], and the natural logarithms are labeled [LN].

The inverse function of the natural log function is the exponential (e^(x)), and the inverse of the log in base ten function is the function ten to the power of. It is called (sometimes) the antilog

Ex:
Question What is the antilog of 3.5678?
Answer The antilog of 3.5678 is 10^(3.5678) = 3696.579068
Verification: log(3696.57908) =3.5678

Hope it helps.



Nov 29, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

Ln inverse function


i want to get 250 tan 35 i dont know how?can u tell me plz

Apr 14, 2009 | Texas Instruments TI-30XA Calculator

3 Answers

How to get the square root using a ti-30xa calculator?


Come on now....there are dedicated "square" and "square root" keys on the TI-30XA....

Enter your number e.g. 4, then press the "root x" key to get 2...

Press "x squared" key to get the square of 2 = 4

There's the even more useful "y to the power x" key and it's inverse "xth root of y" key.

E.g. Enter 2, then press the "y to the power x" key, then 5, then =, answer is 32 (2 x 2 x 2 x 2 x 2). Starting with 32, pres 2nd then the "y to the power x" key, then 5, then =, answer is 2, the 5th root of 32....

Dec 01, 2008 | Texas Instruments TI-30XA Calculator

1 Answer

Antilog in chemistry problem


pH is minus (log to base 10) of the hydrogen ion activity of an aqueous solution, or (log to base 10) of (1/hydrogen ion activity)

To get the inverse log, i.e the hydrogen ion activity corresponding to a specified pH, simply enter the pH value and press

2nd
LOG
1/x

Answer 0.001

Apr 22, 2008 | Texas Instruments TI-30XA Calculator

1 Answer

TI-30XA


Use the inverse log key sequences "2nd LN" or "2nd LOG" depending on whether you are using natural logs or logs to base 10

Dec 10, 2007 | Texas Instruments TI-30XA Calculator

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