Question about Casio FX-300W Plus Calculator

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Incomplete numbers on screen of fx100w

All of a sudden, the screen of my calculator is showing up incomplete numbers i.e the 0 and all other numbers are showing up partially, i.e 3 and 7 both show up as 1 and the calculations are not working either.

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  • Anonymous Nov 22, 2008

    Incomplete numbers on lcd screen.

    Regars


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6 Suggested Answers

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SOURCE: Not sure which mode my calculator might be in...

are u sure that ther is no "prank" app running that one of your freinds may have put on?

Posted on Jan 20, 2009

  • 7 Answers

SOURCE: calculator won't show decimal places

Haven't heard of it giving nearest whole numbers before. But have you tried pressing SHIFT and then SETUP (upper right hand corner next to ON button) and then pressing 2 (LineIO)? Or perhaps you're in different MODE?

Posted on May 03, 2009

  • 7 Answers

SOURCE: Trying to find standard deviation on the calculator

I took statistics last semester and I don't really remember how, but after you enter your data, you press SHIFT, then STAT (on the 1 key), then I think it's under 5 (VAR), and maybe Xon-1? Eh, funny how long you remember this stuff for....

Posted on May 03, 2009

vladp995
  • 81 Answers

SOURCE: My Casio fx-85v Super - fx solar power calculator shows a erratic

Yeah I had the same problem, you need to open your calculator and check if all the screen cables is alright, i had just put sellotape on the back of the screen from inside so that the screen hold better, and it works for me if for you not maybe something broken in the schema but try it. The thing I know for sure the problem is in the screen or from where it get the data the schema. Tell me if it's working

Posted on Jul 07, 2009

  • 7987 Answers

SOURCE: the calculators screen is not fulling showing the

Hello

If it is too dark
Try reducing the contast as follows
1.Press [2nd] key and release it
2.Press [DownArrow] and release it
3. Keep repeating the sequence until contrast is adequate.

If it is too light increase contrast
To increase contrast Do the same but press [UpArrow] instead of [DownArrow]

Hope it helps

Posted on Sep 08, 2009

  • 6 Answers

SOURCE: How to use negative exponents on a calculator?

your calculator will never allow you to enter a negative exponent. so heres what you do.Any negative exponent of a number can be reversed and turned into a fraction for example 4^-1=1/4 or 8^-2=2/8=0.25. Hope this helps.

Posted on Sep 21, 2009

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It jams with a M


M is for Memory. If the M shows, the memory location contains a stored value. To make the M disappear, store a value 0 in the register.
0 STO M.

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The 107,186.37 is what the future value would be if the interest per month is 0.58%, which is 6.96% per year. Try the following:
2nd [CLR TVM] 1 2 N 7 I/YR 1 0 0 0 0 0 PV CPT FV
As for rounding, you can change the calculator display to any number of digits (up to a limit, of course) by pressing 2nd [FORMAT] and then a number specifying the number of desired digits after the decimal point or 9 for floating decimal.

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How do I set the decimal place on the calculator - cleaning crew moved it


At the top left of the calculator, you will see a sliding switch that is labeled: DECIMAL A,0,2,4,6,F. Move the indicator to the "0". This will remove all excess zeros. The numbers represent how many decimal places the screen will show.

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Ok so my math hw only gave me the degree, minute, sec format of the angle. How do i input it in the fx 155 es to work out and find the rest of the angles, sides, etc?


Label of key [deg symbol ' "]. It is between [(-)] and [hyp]

To enter a value in decimal degrees
12.58 [deg ' "] [=] Screen displays 12.58 deg on top line and 12 deg 34' 48" on bottom line.
Pressing the [deg ' "] key while this value is displayed will show 12.58

To enter a DMS value:

Press the [deg ' "] key after each number even if one of the numbers D,M,S is nill (0).
Exemple Enter 25 deg 0 ' 48"
25 [deg ' "] 0 [deg ' "] 48 [deg ' "] [=]
Screen displays 25 deg 0' 48" on bottom line
Pressing the [deg ' "] key converts this result to decimal degrees 25.013

This showed you how to enter angles in DMS or DD. For the rest 'find the angles, etc.' you should refer to your trigonometry manual: You have the definitions of the trigonometric ratios, the sine law, the cosine law to resolve triangles.

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What function should it be on to get a whole number answer for division problems EX: 15 divided by 2


15 divided by 2 isn't a whole number.

If the calculator is showing a fraction and you want to see it as a number, press the S--D key to switch between symbolic and decimal values. To have all results appear in numeric form, press SHIFT MODE 2 to select the LineIO mode.

If you want to set the calculator to show only whole number, press SHIFT MODE 6 0 to select FIX 0 display mode.

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My calculator shows 0.00000000 instead of 0 every time. How should I fix it? All the functions works properly, but there are too many zeros for me.


At the top left of the calculator, you will see a sliding switch that is labeled: DECIMAL A,0,2,4,6,F. Move the indicator to the "0". This will remove all excess zeros. The numbers represent how many decimal places the screen will show. I have the manual for this calculator if you need it. LBrown18062@hotmail.com

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1 Answer

Time problems


Sorry to say it but the DMS key is to convert between Degrees, minutes, seconds and decimal degrees (angle units). This cleared here is how to use the DMS key on this calculator.

Label of key [deg symbol ' "]. It is between [(-)] and [hyp]

To enter a value in decimal degrees
12.58 [deg ' "] [=] Screen displays 12.58 deg on top line and 12 deg 34' 48" on bottom line.
Pressing the [deg ' "] key while this value is displayed will show 12.58

To enter a DMS value:

Press the [deg ' "] key after each number even if one of the numbers D,M,S is nill (0).
Exemple Enter 25 deg 0 ' 48"
25 [deg ' "] 0 [deg ' "] 48 [deg ' "] [=]
Screen displays 25 deg 0' 48" on bottom line
Pressing the [deg ' "] key converts this result to decimal degrees 25.013

Jan 14, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

Decimals wont show


Hi,
You need to change the display format.
Press the [MODE] key a certain number of times until the screen displays Fix, Sci, Norm on one line, and 1 2 3 on the next line, with 1 under Fix, 2 under Sci and 3 under Norm.

Press 1 (Fix) followed by a number (1,2,3, etc.) This second number will set the number of decimal digits. In other words, if you press 1 (Fix) 3 all your results will have 3 decimal digits. If you choose 0, your results will not show decimals.

Hope it helps.
Thank you for rating the solution.

Dec 04, 2009 | Casio FX-300MS Calculator

1 Answer

When I put X^(1/3) into Y=, and go to nDeriv, and find the derivative at X=0, the calculator gives me 100. I (and a few math teachers) have done this many times by hand, and we all get undefined as an...


Hello,
The derivative of the cubic root of x is, as you wll know, equal to (1/3)*x^(-2/3). Its limit as x approaches 0 is undefined. However the calculator uses approximate representations of numbers to calculate. And you can never be sure what it is going to give as results near singularities (poles of functions).

Calculators with Computer Algebra Systems can do better. To show you this, I am enclosing a screen capture showing you the correct result.
b308767.jpg
On this screen I defined a function u =f(v) where u is the derivative of cubic root of v. I stored 0 in the dummy variable v, and I evaluated the function u at v=0. You can see that the result displayed is undefined.
That this result is deemed correct seems to me just a matter of convention. We do not know, we cannot know, or we dont care to know? It will not make any of us lose sleep.

Hope it helps.

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