Question about Casio FX-115ES Scientific Calculator

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I have the symbol "VCT D'' shows in my calculator and not allows me to do fractions, how to solve this problem

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These two are unrelated. The D indicates that the angular mode is set to degrees. To change this, press SHIFT [SETUP] and select 4 for radians or 5 for grads. One of the D, R, or G indicators will always be lit.

The VCT indicates that you're in the vector mode. To get out, press MODE 1.

Posted on Oct 30, 2012

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Posted on Jan 02, 2017

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SOURCE: Why does it solve in fractions?

The calculator has two Input/Output modes: the default MthIO (new) and the old LineIO.

  1. In MthIO you enter fractions and radicals as you see them in textbook (multiple levels). Calculations are exact and results are generally a mixture of fractions and radicals.
  2. In LineIO, numbers are entered the old way and all numbers, operations are written on a single line. All fractions and radicals are converted into decimals numbers.

If you use the default MthIO you can let your calculator perform the operations in exact arithmetic. When you obtain the end result, you can easily convert a fraction/radical result into a decimal one by pressing the [S<=>D] key, or press [SHIFT][=] instead of [=].

However if you do not care about the MthIO and its nifty functionalities, you can configure your calculator to use LineIO.

To set LineIO press [SHIFT][MODE][2:LineIO]

Posted on Jan 29, 2010

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SOURCE: How can I solve a fraction like 1/2 plus 9/3 on a

Use the [a b/c] key to separate the elements of a fraction.
To enter 1/2 : press 1, press [a b/c], then press 2

1/2+ 9/3 : 1[a b/c]2 + 9[a b/c] 3 [=]
By the way, why do you keep 9/3 as a fraction when you can have it as an integer? Not that it makes a difference to the calculator.

Posted on Jul 25, 2010

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SOURCE: I have a Casio fx-115ES

Press [SHIFT][MODE] to enter set up. Select [2:LineIO].

Posted on Oct 13, 2010

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SOURCE: My Casio fx-300ES calculator has

That is what you will get if your calculator is configured for the Line IO mode. If you want fractions to appear as in a textbook, you should configure your calculator's Input/Output mode to be MathIO. To do so press [SHIFT][MODE] to enter (SetUp) and select [1:MathIO]

Posted on Jul 09, 2011

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1 Answer

Shows an L


Some fraction symbols do look like mirrored L or r. It shows if you press the fraction key, or if the result is displayed as a fraction. On older calculators the fraction key is marked [a b/c].

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May 07, 2014 | Texas Instruments TI-108 Calculator

1 Answer

When typing 3(radical symbol)10ab * 4(radical symbol)14ab ... then press enter it comes out to a decimal. How do I enter the equation into calculator to show the answer as a radical?


I am afraid you cannot do that with the TI83/84 Plus SE. The newer OS allows you to get results expressed as fractions, but not radicals. Sorry.

Nov 11, 2012 | Texas Instruments TI-84 Plus Silver...

1 Answer

When typing 3(radical symbol)10ab * 4(radical symbol)14ab ... then press enter it comes out to a decimal. How do I enter the equation into calculator show show the answer as a radical?


I am afraid you cannot do that with the TI83/84 Plus SE. The newer OS allows you to get results expressed as fractions, but not radicals. Sorry.
Your question seems to imply that you can do algebra with this calculator but that is impossible, unless you stored numerical values in variables a and b. In that case that is not doing algebra.

Nov 11, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

My student has this the casio fx 300es, and needs pi to show up as a number not as the pi symbol. How do we do this?


The calculator has two Input/Output Modes: The MathIO and LineIO modes. Line IO is the old input mode where all symbols are written on a single line. MathIO permits fractions to show as they would in a textbook (a horizontal fraction bar and two squares, one on top and the other at the bottom. Pi can be used as Pi and irrational square roots are displayed with the root symbol. etc,,
If you are in MarhIO and you get a result with fractions, radicals, or pi. you can readily convert it to its decimal approximation by pressim the SD key. If you enter some expression with fractions and radicals and you do not want the result displayed with fractions or radicals you press SHIFT = instead of =,
Now if you do not care to have ANYTHING displayed as a fraction, radical or with PI, just set the IO mode to the old LineIO.
To effect that, press SHIFT MODE to enter the SETUP. Select 2:LineIO. From that moment on you will no longer see a fraction, nor a radical nor PI, e,

If you ever reset the calculator, the MathIO mode will be restored as default IO mode.

Sep 12, 2011 | Casio fx-300ES Calculator

1 Answer

My Casio fx-300ES calculator has a problem when i press the fraction button under Abs i get a symbol looking like "_l" anyway to fix this?


That is what you will get if your calculator is configured for the Line IO mode. If you want fractions to appear as in a textbook, you should configure your calculator's Input/Output mode to be MathIO. To do so press [SHIFT][MODE] to enter (SetUp) and select [1:MathIO]

Jul 08, 2011 | Casio fx-300ES Calculator

1 Answer

It is showing fractions instead of Decimals when i do equations like (4 divided by 9) it gives 4/9 instead of the decimal.


Calculation results will be displayed using
fractions, r, and ?. When you press CHANGE, the display will cycle
through the following display styles:
• Mixed fractions (with or without ?) ? improper fractions (with
or without ?) ? decimal numbers
• Proper fractions (with or without ?) ? decimal numbers.

Feb 03, 2011 | Sharp ELW535 Calculator

2 Answers

How to convert a fraction into a decimal


First put the calculator in degree mode.
To convert from fraction to a decimal number first enter your fraction or, mixed number. I'll convert a mixed number to a fraction first since, I don't have a key for the symbol that shows that a number is a fraction on my keyboard. Example: [3][A b/c][1][A b/c][2][A b/cd/e][ENTER]
3/2 should be entered at the home screen. While at the Home screen enter, [2nd][FD][ENTER]
1.5 should now be displayed at the Home screen.
As you can see it is really just using the [A b/c] key to enter in your fraction and, [FD] key to do the converting. The [A_b/cd/e] key isn't necessary because, mixed numbers will convert to decimal numbers just like fractions do. I just don't have the key to show a fraction symbol that the calculator uses. So to show that symbol, I used the / symbol with the fraction number.

Dec 29, 2010 | Texas Instruments TI-30 XIIS Calculator

1 Answer

I have to learn how to operate a texas instrument TI-83 to do math (fraction)


This calculator, although very sophisticated, is rather unfit for heavy fraction calculations. There is no dedicated fraction key, but you can use the [MATH] menu to access a ToFraction command: symbolized by a fat arrow and Frac.
I am enclosing a few screen captures to help you figure out how to use your calculator to manipulate fractions. To get the first screen you press the [MATH] key (below the [ALPHA] key. The ToFraction command is the first one in the list. The second item allows you to convert a fraction to a decimal number.
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In the following screen I show you how to enter a fraction (division key) and keep it in fraction form, albeit reduced. Fractions are reduced to their simplest terms
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In the last screen, I show you how to convert a fraction to a decimal number by making use of the ToDecimal command (last command line on the left, result is one line down and to the right.)
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Feb 09, 2010 | Texas Instruments TI-83 Plus Calculator

2 Answers

Factions


The fraction symbol is ab/c
All scientific/graphics calculators have a fraction key. Going by the picture I would assume that calculator would have it

Sep 22, 2009 | Texas Instruments TI-89 Calculator

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