Question about Casio fx-115ES Plus Scientific Calculator

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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?

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k24674

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  • Casio Master
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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

Posted on Jul 22, 2014

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5 Related Answers

Anonymous

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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

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k24674

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SOURCE: how to enter variables

Hello,

When you press the key between X^2 and log it gives you a template where you enter the base of the power (bigger rectangle) and the exponent (the smaller raised rectangle) . Using the 3 cubed exemple is not good because base and exponent are the same.

Exemple :15 cubed.
Press the key with an X with a small raised rectangle. The cursor blinks at the left side of the raised rectangle. Enter the exponent (3). Then use the left arrow to move the cursor to the base. Enter 15 and press [=]. The result is displayed as 3375 or in some other equivalent form (with a power of ten.)
Hope it helps.

Posted on Oct 03, 2009

k24674

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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

Elessaelle

Elessaelle

  • 122 Answers

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.

If I helped you, please rate my answer :)

Posted on Sep 08, 2011

lalvarado_pt

L. Alvarado

  • 3 Answers

SOURCE: casio fx-115es plus how to find the LCM

I have a fx-570ES plus instead but one easy way I found to calculate the LCM us by adding 2 fractions in the following format: 1/a + 1/b, where a and b are the numbers you are calculating the LCM for. In my calculator the result is displayed as a fraction, with the denominator being the LCM. From there I can also figure out the HCF with the following formula: HCF=(a * b) / LCM. In some calculators the fraction might get displayed in decimal format but most of the newer ones can switch between fraction and decimal format. I hope this helps.

Posted on Sep 24, 2012

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1 Answer

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

1 Answer

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?


Calculators work to base '10' not base '12', so you'll have to convert. the S.I. unit of measurement is used for calculators which is metres and they are base '10'. The metre was calculated by a french bloke who got the calculation wrong, but they still use it. Feet and inches are better.

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

1 Answer

How can I calculate combinations with fx-991ES PLUS?


Use the combination function. It's the shifted function of the divide key, marked nCr. For example, to find the number of combinations of 9 things taken 3 at a time, press 9 SHIFT divide 3 = and see 84.

May 03, 2014 | Casio FX-115ES Scientific Calculator

1 Answer

Convert feet inches


There are 12 inches in a foot, so to convert feet to inches simply multiply by 12.

Oct 25, 2013 | Casio FX-115ES Scientific Calculator

1 Answer

How to use standard deviation on a casio fx-115es plus


Follow the instructions under "Statistical Calculations" beginning on page E-44 of the manual. Examples 053 through 059 in the Appendix show an example (especially 057).
You may download the manual and the appendix from http://support.casio.com/manualfile.php?rgn=1&cid=004001004

May 06, 2013 | Casio fx-115ES Plus Scientific Calculator

1 Answer

How to find the Standard deviation on my calculator?


Follow the instructions under "Statistical Calculations" beginning on page E-44 of the manual. Examples 053 through 059 in the Appendix show an example (especially 057).

You may download the manual and the appendix from http://support.casio.com/manualfile.php?rgn=1&cid=004001004

May 06, 2013 | Casio fx-115ES Plus Scientific Calculator

1 Answer

Convert 216 feeet into meter


You need to remember that 1 inch is exactly equal to 2.54 cm
So 1 foot =12 inches =12*2.54 cm= 30.48 cm = 0.3048 m.
With this value you can convert 216 feet in meters as follows
216 feet =216*0.3048 m= 65.8368 m.

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

1 Answer

On which calculator can i solve 6*6 matrix


If you want to manipulate 6x6 matrices, you can use one of the CASIO Graphing calculators, such as theCFX-9850GPlus, or the FX-9750G plus.
Graphing calculators from other manufacturers can also handle such matrices. The FX-115ES can handle matrices with dimensions up to 3x3.

Nov 25, 2010 | Casio FX-115ES Scientific Calculator

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