Question about Casio FX-115ES Scientific Calculator

# How to find the critical value on a fx-115es plus?

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Critical value for what? In what context? Nuclear physics? Optics? Mathematics?

Posted on Apr 16, 2014

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Posted on Jan 02, 2017

6+x=(7+2)e-1/2

Posted on Jul 01, 2008

According to the manual for the Casio FX115ES, the largest matrix it solves is a 3x3.

Posted on Sep 11, 2008

Unless I am failing to understand your problem, just combine like terms to get:
9x^2+2x+4 and then enter those coefficients into the quadratic solver.
That will get you the two answers -- both of them will be complex.
If you wanted to turn those two answers into factors (complex) of the original equation simply
change the signs on each and put an x in front.
Of course, the quadratic formula would also work.
CG

Posted on Apr 28, 2009

Here check the manual:

http://support.casio.com/manualfile.php?rgn=5&cid=004001004

Posted on Apr 16, 2010

SOURCE: I forgot how to do

Press [MODE][3][2]. In first column enter known x-coordinates (1 and 5), in second known y-coordinates (2 and 6). The solution you are looking for is in form Y=A+B*X where X=3. Your calculator computes A and B after you enter data. To calculate Y (which is equal to A+B*3 press [SHIFT][1][7][1][+][SHIFT][1][7][2][*][3][=]. The result should be 4.

Posted on Sep 08, 2011

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## Related Questions:

### Is there a way to lock the SD key so my answers are always in decimal values and not fractions?

Configure the calculator to display result by default in decimal. Press SHIFT MODE (SetuP) and choose the LineIO input-output .

Aug 05, 2015 | Casio fx-115ES Plus Scientific Calculator

### On Casio FX-115ES Plus Calculator, what buttons do I push to do compound interestsemiannually for 15 years?

There is no such button. You must figure out the formula and enter it, giving the appropriate value for the annual interest and the number of years (15).

Sep 27, 2014 | Casio fx-115ES Plus Scientific Calculator

### How do I do feet and inches calculations on the Casio FX-115ES Plus? For example, how can I do calculations like 10'-3" + 5'-4" + 11'-11" without having to convert the inches to feet?

You can combine all the feet together 10+5+11=26 feet
Combine all the inches together -3-4-11=-18 inches=-2 ft + 6 inches
26 ft -2ft +6 inches =24 ft +6 in=24.5 ft
You can also multiply each inch -value by 1/12
10-3/12+5-4/12+11-11/12=10+5+11 -(3+4+11)/12=26-18/12, continue

Jul 22, 2014 | Casio fx-115ES Plus Scientific Calculator

### Can I calculate p-value on the casio fx-115es plus?

Press MODE 3 AC to enter the statistics mode. Press SHIFT STAT 7 to bring up the distribution menu then 1 to invoke P( .

Nov 03, 2012 | Casio FX-115ES Scientific Calculator

### How to store and recall on fx-115es

To store a value into one of the variables A, B, C, D, X, Y, press SHIFT [STO] and the variable name.
To recall a value from one of them, press RCL and the variable name.

Oct 12, 2010 | Casio FX-115ES Scientific Calculator

### Absolutes on FX - 115ES

The absolute value button is "SHIFT", "Abs" (located on the "hyp" key)

Apr 07, 2009 | Casio FX-115ES Scientific Calculator

### Standard deviation

standard deviation

calculate mean of a data set:

1. Turn calc. on or press MODE SeTUP
2.Press 3 for STAT
3. Press 1 for VAR
4.Enter values for X column
5. WHen done entering press SHIFT 1
6.Press 5
7.Press 2 to calculate the mean
8.Press =

Oct 05, 2008 | Casio FX-115ES Scientific Calculator

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