Question about Texas Instruments TI-30XA Calculator

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Fractions, mixed numbers, and variables.

I am in the 7th grade and need to do fraction and mixed number problems. how do I enter a fraction and/or mixed number? I would also like to do variable problems. Is it possible to enter variables into this calculator?

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  • Anonymous Nov 30, 2008

    I'm in 7th grade and there are a few algebra problems I need help with. They include solving for x in fraction form. HELP!

  • Anonymous Dec 08, 2008

    i have the same problem as the 7th grader

  • Anonymous Dec 27, 2008

    same here



  • Anonymous Jan 21, 2009

    I don't think you can do mixed numbers and/or variables. I' not sure, though. I'm in 6th grade, by the way.

  • Anonymous Mar 31, 2009

    Yeah, ive got the same problem too but im in 6th grade except uuuugggghhhh I really **** at math

  • cristina rodriguez
    cristina rodriguez Nov 13, 2013

    i need help one improper frctions

  • Anonymous Mar 15, 2014

    i don't know how to do it and i need help

  • Anonymous Mar 15, 2014

    how do you turn a mixed number into an improper fraction

  • Anonymous Mar 18, 2014

    How would I enter 9 and 3/8 on my BAII Plus financial calculators

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Type the whole number then hit the ABC button then type the numerator then hit ABC then type the denominator


1ABC1ABC2 + 1ABC1ABC2=3

Posted on Jan 25, 2008

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OMG I AM IN SEVENTH GRADE AND I CAN HACK COMPUTERS STUPID NOOBS no just kidding i have a simmilar calculator try hitting the second function button then a button with a fraction or percent symbol above it

Posted on Jan 05, 2009

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It depends on the kind of calculator!!!! i use a Texas Instrument 13

Posted on Jan 20, 2009

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You cannot enter fraction, mixed numbers or variables into the calculator and i know becuz im in 9th grade :/

Posted on Nov 01, 2010

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-4/3x=1/7

Posted on Jul 14, 2010

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How do I do fractions and % on a Texas calculator?? I need to take math test online and need to know how to do fractions and % on thi caculator1
Please give me a mathmatic promblem and answer, showing in that way

Posted on Feb 18, 2008

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It is acually quite simple all you need is to get some paper and a pencil and start working. OR you can try and ask me. I am in high school so chances are that i can solve it.

Posted on Apr 21, 2009

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X/7-3/7

Posted on Sep 07, 2008

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Yes you can ifyou hit the abc button lik if you want 2 ans 2/3 you would type in 2 abc 2 abc 3 abc and then you can divide/multiply/add/subtract other frations from this. i am in the 9th grade.

Posted on Apr 24, 2009

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I just want that there will be a blank paper for me to solve in

Posted on Feb 04, 2008

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Related Questions:

1 Answer

How do you use the fraction button


The fraction button is usually marked [a b/c]. Its shifted function [d/c] converts a mixed number into an improper fraction.
To enter a mixed number, say 7 3/5
Enter 7, press the [a b/c] key, enter 3, press the [a b/c] key, enter 5. Press =/EXE

Mar 18, 2014 | Sharp el-531x scientific calculator

2 Answers

How to divide mixed numbers?


Probably the simplest is to convert both numbers to improper fractions then divide.
Some calculators can work with fractions. With one of those, simply enter the first mixed number, then divide by the other.

Aug 14, 2013 | Mathsoft Computers & Internet

1 Answer

How to input fractions


The key marked [a b/c], the one below the [X,Theta,T] and [7], allows you to enter fractions either as mixed numbers or improper fractions.
To enter the mixed number 3 4/7 you key in 3 [a b/c] 4 [a b/c] 7 [EXE]
To convert this to an improper fraction press [SHIFT] [F--D].
Pressing the [F--D] key toggles between fraction and decimal representation.

Aug 02, 2013 | Casio FX9750GII Graphic Calculator

1 Answer

Mixed numbers


If the result is positive, type in the integer part then add the fraction part either with the help of the fraction key or the division key. (I do not think that the TI82 has a fraction key.
If it is anything like the TI3 there is command under MATH >Frac. It should be pressed after you enter the mixed number to keep the result as a fraction.
If the mixed number is negative you enclose the whole number in parentheses. Press the change sign (-) key to negate the result.

Sep 26, 2012 | Texas Instruments TI-82 Calculator

1 Answer

I have a el-531x how do i cauculate fractions with it


Use the key marked [a b/c]
  • To enter a mixed fraction, enter integral part, press [a b/c], enter the numerator pf fraction part, press [a b/c], then enter the denominator of the fraction and press =.
  • To enter a fraction or an improper fraction, enter numerator, press [a b/c], then the denominator and =
  • If the displayed result is a mixed number , use [2nd][a b/c] to convert it in a fraction (improper fraction).

May 22, 2012 | Sharp EL-531VB Calculator

1 Answer

Enter a whole number with a fraction


Enter the whole number ,then hit ab/c on your calculator enter the upper number of the fraction then hit again ab/c then enter the lower number of the fraction.That way yuo can enter a mixed fraction.Hope this helps.

Jun 18, 2011 | Sharp ELW535 Calculator

1 Answer

How do you do a fraction on a sharp el531w


Hi eamon at hom,

Doing fraction on the Sharp El 531W really isn't that bad. I had to use pictures because, the symbols will not transfer over to your posting for me to show you. When you select the [ON/C] this clears the calculator of previous calculations and, data so that they won't interfere with your new calculations.

Let take the first example where a mix number is being added to a improper fraction. Because I used the [a^b/c] key this makes the calculator display the answer in a mixed fraction format or, a proper fraction format. If I press the [a^b/c] key again after the answer the format will change to a decimal format. The fractional formats are displayed in a mixed number, improper or, proper fraction formats. A improper fraction is really a proper fraction number with the top number (numerator) is greater than or equal to the bottom number (denominator).

[ON/C] [3] [a^b/c] [1] [ [a^b/c] [2] [+] [4] [a^b/c] [3] [=] mixed number results. Now let's do the same calculation as a improper or, proper fraction format.
[ON/C] [7] [a^b/c] [2] [+] [2] [a^b/c] [3] [=] still a mixed number result. Even though I enter the fractions in a improper and, proper fraction formats the calculator will still display in a mixed number format. This is because the calculator first displays as a mixed number if it can. If it can't then it will display the value as a proper fraction and, never as a improper fraction. To convert from a mixed number to a improper fraction format if the calculator did not convert it to a proper fraction, I have to use [2ndF] [d/c] keys on the command line.


oneplusgh_0.png
This show a little more complex raised power use of the [a^b/c] key.
oneplusgh_44.jpg
This shows the [2ndf] [x^-1] keys being used to calculate fractions.

oneplusgh_45.jpg
When I first saw this question being asked it, was answered with just use the / command. Which that isn't really a good answer because, in math we like to use elimination. If you use the / command eventually the numbers are going to be rounded off and, your not going to be able to eliminate anything. If you have any further question on how to preform fractions with this calculator be sure to post your comment and, I'll be glad to help.

Jan 13, 2011 | Sharp EL-501WBBL 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

Can this convert decimal measurements to fractions of an inch


Enters a proper or improper fraction,
b?c (b { 6 digits, c { 3 digits). When
possible, improper fractions are
displayed as mixed numbers.
3 F 4 3?4
8 3 J 21?4
Single-variable functions display
decimal results.
1 F 2 0 0.25
a F b F c Enters the mixed fraction a b?c.
(a, b, c { 3 digits each, with the total
digits { 8).
6 F 4 F 6 64?6
J 62?3
"s Toggles display between a mixed
number and an improper fraction.
30 F 4 30?4
"s 71?2
"s 15?2
"s 71?2
"y Toggles display between fraction and
decimal.
55 F 24 55?24
"y 2.291666667
"y 27?24
If a result would overflow or if fixed decimal is 0, no
fraction to decimal conversion occurs. It is not an error.
Denominator must be a whole number {999.

Nov 28, 2010 | Texas Instruments TI-30XA Calculator

2 Answers

Mixed numbers


Proper fraction e.g. 3/5, input 3, divide, 5, =, answer 0.6

Improper fraction, either enter as improper fraction, or enter the whole number first, then +, then the proper fraction as before, then =.

E.g. 8/5 which is "1 and 3/5': enter 1, +, 3, "divide", 5 =, answer is 1.6

Or, just 8, "divide", 5, same 1.6 answer. Why go to mixed number first?

13/5 which is "2 and 3/5", enter 2, +, 3, "divide", 5, =, answer is 2.6. Or, just 13/5, same answer

Dec 17, 2008 | Texas Instruments TI-30XA Calculator

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