Question about Casio FX-300MS Calculator

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Geometric Mean I am trying to Calculate the Geometric Mean on a TI-30Xa and am unsure as to the correct sequence of keying. Thank you.

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Before using the gonometric functions (), *,
+, " V, " W, or " X), select
DEG, RAD, or GRAD with #. Note: Before using a DMS
value in a calculation, you must convert it to decimal
with " q.
# (if necessary) DEG
90 ) DEG 1.
> 30 * DEG 0.866025404
J DEG 0.133974596
1 " V DEG 90.
> .5 J DEG 89.5

Also if you need heereis the manual
http://www.retrevo.com/search/v2/jsp/mytrevo/myTrevo.jsp?page=man

Good Luck

Posted on Jan 21, 2009

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Http://www.wikihow.com/Calculate-the-Geometric-Mean
get the exact system of how to calculate the geometric mean of any equation you want.just click the link and follow the directions step by step.

Posted on Jan 21, 2009

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Hi rsaavedra602

Here is the guide if you need it
http://www.casioeducation.com/resource/pdfs/fx300ms_training_guide.pdf

Standard Deviation
Use the [MODE] key to enter the Standard Deviation (SD) mode when you want to perform statistical calculations using standard deviation. [MODE] [2]
• To clear statistical memory, press [SHIFT] [CLR] [1] [=].
• To enter data, use the following key sequence: <value> [DT]
• Input data is used to calculate the following values:
Sum of the squares (σ x2) [SHIFT] [S-SUM] [1]
Sum of data (σ x) [SHIFT] [S-SUM] [2]
Number of data items (n) [SHIFT] [S-SUM] [3]

HERE > Mean of the data [SHIFT] [S-VAR] [1]

Population standard deviation σ n [SHIFT] [S-VAR] [2]
Sample standard deviation σ n-1 [SHIFT] [S-VAR] [3]


let me know if you need anything else

bestdarngood

Posted on Jan 21, 2009

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Http://www.retrevo.com/support/Casio-fx-300MS-Calculators-manual/id/467dj289/t/2/
get the instructions for using a calci in the link above.

Posted on Jan 21, 2009

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What exactly are the value that you are trying to compute?

Posted on Jan 21, 2009

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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 can't seem to get my calculator into statistics mode. could you please explain it very clear. i must be mising something. i have a texas instrument calculator(Ti-30xA).thank you.


The TI-30Xa does not have a statistics mode. That statistics operations are available at all times, just like addition and subtraction. Just enter the data with Sigma-plus and then calculate the desired statistics---mean, standard deviation, and so forth.

Full details are in the "One-Variable Statistics" section of the guidebook (page 9 in my copy). If you need the guidebook, you can download one from
http://education.ti.com/calculators/downloads/US/Guidebooks/Detail?id=6132

Jun 23, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

Now that I know where the square root button is on my TI-30Xa, how do I calculate a "geometric mean" when the equation inclues a time period? For example the problem is setup like this: 6...


You don't want the square root. In this example, you want the sixth root.

Press 4 5 2nd [xth-root] 6 =

The xth-root is the shifted function of the y^x key, located just above the divide key.

Jun 11, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

Which button do I use for the square root button? I have to perform math problems on... geometric mean population standard deviation sample standard deviation


The square root button is two up from the 9 key, just to the left of the divide key. To calculate the square root of 2, for example, press 2 square-root =

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

1 Answer

Okay so i am using a TI-30XA What is the button on this calculator for (Prb) ??


There is no probability key on the 30Xa as there is on the 30XIIS. The shifted functions of the 8 and 9 keys will calculate the number of combinations and permutations, respectively. The shifted function of the 3 key will calculate the factorial. There is no random number generator.

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

1 Answer

How do you use the -log function on the TI-30XA calculator? I downloaded the manual and there is no instruction for finding the -log of a number


Do you mean the antilog? For the common antilog, use the shifted function of the LOG key (marked 10^x). For the natural antilog, use the shifted function of the LN key (marked e^x).

For example, to calculate the common antilog of 0.5, press . 5 SHIFT [10^x] = and get about 3.16. To calculate the natural antilog of 0.5, press . 5 SHIFT [e^x] = and get about 1.65.

Mar 29, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

Finding a cube root on calculator


You can calculate cube roots by using the cube root function (the 2nd-shift of the 0 key). You can calculate arbitrary roots by using the x-root function (the 2nd-shift of the y^x key, just above the divide key).

May 27, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

How do i find the negative log on a TI-30Xa


Hi,

Ex: calculate -log(15.32)
  1. Calculate the log 15.32 [LOG] [=] result 1.185258765
  2. Then press the change sign key (-) result -1.185258765
You can also try 15.32 [LOG] (-) [=]. Try to veriufy it on your calculator.

Here is a picture of the change signd677d4e.jpg
Hope it helps

Dec 13, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

The e to the x button


If you mean (e to the power x) minus 4, where x = -1, the key sequence would be:

1
+/- (above 3 key)
2nd
LN
-
4
=

Result is -3.63212.....

If you mean e to the power (x-4) where x = -1 again, it's:

10.0067379....
+/- (above 3 key)
-
4
=
2nd
LN

Answer


Jun 26, 2008 | Texas Instruments TI-30XA Calculator

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