Question about Texas Instruments TI-86 Calculator

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I can't convert a decimal to a fraction. When I follow the directions I dont have a frac button...mine say num and then under it sum

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From the MATH menu (when it says num and under it sum), press NEXT. You'll then see the >FRAC command which tries to convert a decimal to a fraction.

Posted on Aug 25, 2010

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1 Answer

How do I convert decimal to fractions, and fractions to decimal with this unit?


Decimal to fraction: Type in your decimal (i.e. .5) Then press [MATH] > press [ENTER] on [>FRAC] Then press [ENTER] again Example: .5>Frac 1/2 For a fraction to decimal: Simply type in the fraction and press [ENTER] Example: 1/3 .33333333333 (*Note that the decimal value is truncated to fit the screen)
Hope that helps! Have fun calculating!

May 03, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

I need help...i dont know how to put in exponents, negative exponents and i dont know how to put in fractions


For negative numbers (not just exponents), make sure you use the (-) key just to the right of the decimal point key, not the - key for subtraction.

For what follows I'm going to assume you have at least version 2.53 of the operating system for the 84Plus. If you have an older version, I STRONGLY recommend you update it:
http://education.ti.com/educationportal/sites/US/productDetail/us_os_84plus.html

You can use the "n/d" command in the MATH/NUM menu to enter the division bar. For example, to enter 1/2, press 1 MATH right-arrow ALPHA [D] 2 ENTER. If you just want the number, you can also enter it as 1 / 2.

You can convert a decimal number to a fraction using the >Frac command in the MATH menu. For example, to convert 0.2 to a fraction, press . 2 MATH 1 ENTER.

Mar 16, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

Where is the fraction button


Press MATH to display the MATH menu. >Frac converts a decimal to a fraction, >Dec converts a fraction to a decimal.

Feb 08, 2010 | Texas Instruments TI-83+ Graphing...

1 Answer

I can't find this button on my calculator / this


A fraction is in fact a ratio of two number: a division of a numerator by a denominator. The key used for the division operation is the one above the multiplication sign and below the caret [^], and in thee rightmost column of keys.

Beware that this calculator converts any ratio of two numbers into a decimal value. To keep a fraction in a fraction form you must use the [|=>Frac] or [ToFrac] command. To convert a decimal result to a fraction, use the [|=>Dec] command.
These commands are accessible through the CATALOG or more easily by pressing [MATH] (under the ALPHA key) and selecting [1:|=>Frac], or [2:|=>Dec]
Ex: to keep 27/48 in fraction form you enter
27 [/] 48 [MATH][1:|=>Frac] [ENTER]. Result is 9/16
You will notice that the resulting fraction is reduced to its simplest form.
To convert the above result from fraction to decimal press [MATH][2:|=>Dec]

A fraction can always be approximated by a decimal value but the converse is not always possible.



Jan 23, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How to us a fraction on the ti-83 calculator? I have home work due on this tues. and i dont know how to put a fraction in on this calculator .


Hello,

Ther e is no dedicated key to do that but ther is a command ToFrac noted as ->Frac. To access it use [MATH[1:->Frac].

Two ways of using the command.
1. You want to reduce a fraction to its simplest expression
27/48 [MATH][1:->Frac] [ENTER] gives the reduced fraction 9/16

2 You do not want your results converted to decimal numbers

(27/48) [x] (5/7) [MATH][1:->Frac][ENTER] multiplies the two fractions and gives a fraction as a result. 45/112

3. Your result is in decimal form and you want to cast it into a fraction. The conversion will be exact only for certain numbers. Results kept in fraction forms are more accurate than those represented as decimals.
Hope it answers your question.




Oct 10, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

On other models of texas instrument calculators they have a button to do a fraction does the ti-84 plus have that?


Hello,
Yes it can do fractions although it does not have a specific key.
If you want to enter a fraction and keep it in fraction form, though reduced to its simplest expression use [MATH][1:->Frac] [ENTER]
Exemple:
27/48 [MATH][1:->Frac][ENTER] displays the reduced form 9/16.
To convert a decimal number into a fraction (with the inherent loss of precision) press [MAT][1:->Frac][ENTER]
Use [MAT][2:->Dec] to convert to decimal, but this is done by default.
Hope it helps.

Oct 05, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Can the TI-30X iiS convert decimals to fractions and if so how?


type the decimal you want to convert then press math button scroll down to were it says frac which means fraction then press enter on frac then press enter again to solve and to change it to a decimal type the fraction and press dec instead

Aug 23, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

How do I do a fraction with the Texas Instruments TI-86?


Hello

If I am guessing correctly, you want to convert a decimal number into a fraction. In the TI86 you do as follows
1. Press [MATH] you get a set of menus. By pressing right arrow you can scroll through the list.
2. Look for submenu [MISC] and press the function key. Under that submenu there is a long list SUM, PROD, etc. Press the right arrow to travel down the list until you find Frac preceded by a fat arrow.

To convert a decimal number you enter it, then you travel down the MATH menu until you reach the ToFrac menu. You press the function key under the menu and you get your fraction, reduced to its simplest form.

Hope it helps.

Aug 12, 2009 | Texas Instruments TI-86 Calculator

3 Answers

How do I on a TI-84 Plus Simplify Fractions


Enter the fraction for example: enter 8/12.
The answer will be .666666
Then click Math (which is located under the Alpha button).
Click the ->Frac button (the first one).
It should come up as Ans->Frac.
Click Enter.
It should now read 2/3 which is 8/12 reduced.
Note: I have a TI-84 Plus Silver Edition, and the TI-84 Plus might not have this function, but that is how I do it on my TI-84 Plus Silver Edition

Nov 08, 2008 | Office Equipment & Supplies

3 Answers

Fraction button directions


Yeah, there isn't a fraction button on an 84. You have to enter it manually as 4/9 or if simplifying a decimal, use the Ans>Frac under the MATH menu

Aug 26, 2008 | Texas Instruments TI-84 Plus Calculator

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