Question about Casio FX-115ES Scientific Calculator

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Posted on Jan 02, 2017

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SOURCE: Weather casio FX-115ES can solve 5*5 matrix

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

Posted on Sep 11, 2008

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SOURCE: Inputing factors on a casio fx-115es calculator

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

SOURCE: problems with fractions on the Casio fx-115es

Hello,

To convert fractions to decimals or decimals to fractions, you use the [S<->D] key. Each time you press the key the result is displayed in the other format.

Alternatively, If you multiply or divide two integer numbers put a decimal mark at the end of one of the numbers (any one). The result will be displayed in decimal format.

Hope it helps.

Posted on Sep 12, 2009

SOURCE: 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 =

Posted on Sep 19, 2009

SOURCE: Does anyone know how to calculate derivatives

hello,

The calculator will calculate the derivative at a point. It will not give you the formula for the derivative, just the derivative at the point you choose.

Sorry, it can ONLY do NUMERICAL differentiations and integrations.

Posted on Oct 28, 2009

Which manual are you referring to?

From page E-47 of the fx-115ES manual at http://www.fixya.com/support/p480502-casio_fx_115es_scientific_calculator/manual-19877, you clear the stat data by pressing SHIFT 1 3 2 while in the stat mode.

From page E-47 of the fx-115ES manual at http://www.fixya.com/support/p480502-casio_fx_115es_scientific_calculator/manual-19877, you clear the stat data by pressing SHIFT 1 3 2 while in the stat mode.

Nov 10, 2013 | Casio MS-80TV Scientific Calculator

Press Shift 9 (CLR) 3 (ALL) = yes

This should restore you to the default values.

This should restore you to the default values.

Dec 23, 2010 | Casio FX-115ES Scientific Calculator

To clear a memory location, just store 0 in it.

0 [STO] M clears memory M

0 [STO] A clears memory A

0 [STO] B clears memory B

etc.

0 [STO] M clears memory M

0 [STO] A clears memory A

0 [STO] B clears memory B

etc.

Oct 13, 2010 | Casio FX-115ES Scientific Calculator

There really isn't that much memory in the fx-115ES, and it's not expandable. You've got the independent memory (M) and six variables (A, B, C, D, X, and Y).

Sep 22, 2010 | Casio FX-115ES Scientific Calculator

Next to the digit 9 key or ( there is a marking on the calculator that says CLR. To clear calculator (reset) press [SHIFT] (CLR) [=]. You will have to confirm the resetting.

Sep 03, 2010 | Casio FX-115ES Scientific Calculator

You have set the calculator to a fixed number of decimal places.

To reset calculator, easiest way is just to go back to the defaults - SHIFT, 9, (CLR), 3, (All), =, (Yes)

This will clear anything you have put in memory

To reset calculator, easiest way is just to go back to the defaults - SHIFT, 9, (CLR), 3, (All), =, (Yes)

This will clear anything you have put in memory

May 29, 2010 | Casio FX-115ES Scientific Calculator

To clear the display screen press the [Shift] (AC) key sequence buttons

If you want the results to be displayed as fractions, set the MODE to MthIO

Press [SHIFT][MODE][1:MthIO]

If you want the results to be displayed as fractions, set the MODE to MthIO

Press [SHIFT][MODE][1:MthIO]

May 05, 2010 | Casio FX-115ES Scientific Calculator

To clear the display, press the AC button. To enter powers press the power key, labeled x with a raised small solid square. To use it enter the number: if the screen displays x with a dark square enter the exponent in the raised square. If the display shows a ^, enter exponent after the caret ^. Close any parentheses by entering the matching right parenthesis.

Apr 17, 2010 | Casio FX-115ES Scientific Calculator

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

Sep 06, 2008 | Casio FX-115ES Scientific Calculator

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Usually answered in minutes!

shift + [9] ---> [2] + [=] (Y)^_^(Y)

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