Question about Texas Instruments BA-II Plus Calculator

# Fractions? this calculator doesn't have a fractions key?????

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• hodgelm09 Jan 07, 2009

I bought this Calculator for my College Business Math and Accounting 2 class. This calculator does not have a fraction key. Is there a way to calculate fractions with this calculator?

• Anonymous Jan 24, 2009

i cant figure out how to do fractions on it either

• Anonymous Mar 02, 2009

HOW TO CALCULATE FRACTIONS

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Correct. The BA II Plus does not work with fractions.

Posted on Nov 07, 2014

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Posted on Jan 02, 2017

To do fractions, just use the normal divide button.
To see the exact answer, hit MODE and scroll down to Exact/Approx and change to EXACT. In this mode, it will give the fraction always unless you press the special (green button with diamond) before pressing ENTER and it will give the approximate decimal value.

Posted on Feb 05, 2008

First of all, the "1/x" key isn't the fraction key, it's "1-over-x." Pressing 3 1/x divides 1 by 3, giving you 0.33333333 .

If you want to enter a fraction, use either "a b/c" or "d/c," located just to the left of the 1 key. You can convert between decimal and fraction with "F--D" just below that.

Posted on Aug 10, 2011

Testimonial: "thank you"

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## Related Questions:

### How do you enter mixed fractions?

Look for the key that has the template of a fraction : A solid white rectangle, a fraction bar an an empty rectangle. That key should be between the CALC key and the change sign key (-).
If you press SHIFT followed by the fraction template key the calculator displays the template of a mixed fraction. In the rectangles type in the integer part, the numerator and the denominator. Use the arrow keys to move from one rectangle to the next.

Mar 11, 2013 | Casio FX-115ES Scientific Calculator

### Is it possible to enter fractions in my new casio fx9750gii. ive tried the shift f-d key but it doesn't want to play

The F-D key converts from fraction to decimal and vice versa. The key to the left of the F-F key, and which is marked a b/c is the one used to enter fractions. The SHIFT F-D sequence toggles between improper fraction and mixed number. The OS of this calculator does not allow the displaying of stacked fractions.

Jun 09, 2012 | Casio FX9750GII Graphic Calculator

### Can you do any ratio on the cauculator

Most of the time a ratio is nothing but the division of two quantities. If you have a fraction key, enter one term of the ratio as numerator, and the second term as denominator. If you do not have a fraction key just use the division key.
According to the name Fraction Mate, you calculator can do fractions. Enter your ratios as you would fractions.

May 02, 2012 | Casio Fraction Mate Calculator

### I CANT GET MYCALCULATOR TO DO FRACTIONS CAN YOU HOPE ME

To configure the calculator to do fractions, set the Input/Output mode to MathIO.
Press [SHIFT][MODE] to open (SetUp) then select [1:MathIO].
After you set it to MathIO, pressing the fraction key will display a fraction template where you can enter numerator and denominator as you would by hand (horizontal fraction bar). Also, the calculator will display results as fractions and radicals whenever possible.
To perform arithmetic operations on fractions use the regular operation keys (x, +, -, /). The calculator will perform the operations and display the results as fractions (whenever possible).

Aug 15, 2011 | Casio fx-300ES Calculator

### I have an fx-300es scientific calculator. It doesn't have an ab/c button. Does another button function like an ab/c button?

The calculator has a key marked with two squares on top of one another and with a fraction bar between them. The key is to the left, below the ABS key..
The shifted function of that key is the mixed fraction [a b/c]. I am not convinced you need a specific key to enter a mixed fraction: you can just type in the integer part (whole part) then + then use the fraction key (the one with the two squares.)

Aug 01, 2011 | Casio fx-300ES Calculator

### 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.

This show a little more complex raised power use of the [a^b/c] key.

This shows the [2ndf] [x^-1] keys being used to calculate fractions.

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

### How do i enter a fraction on the calculator

In math IO mode, press the key marked with a two-level fraction symbol (1 solid square in numerator, fraction bar, 1 empty square as denominator.) A fraction template is displayed. Use the up or down key to move cursor to numerator or denominator. Press [=] key when finished.

Oct 20, 2010 | Casio fx-300ES Calculator

### 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.

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

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.)

Feb 09, 2010 | Texas Instruments TI-83 Plus Calculator

### How do you change decimals to fractions on a casio

If you enter an improper fraction or a mixed fraction with the the [a b/c] key it will be displayed as a fraction. This result being displayed you can press the [F-D] key to convert the fraction to decimal. If you do nothing else and you press the [F-D] key again, the original fraction will be restored.

However, it seems that you cannot enter an arbitrary decimal number and convert it to a fraction. The [F-D] key seems to work one way : from a fraction to a decimal number. You will only recover a fraction if the original number was a fraction.

Jan 19, 2010 | Casio FX-9750GPlus Calculator

### Fractions

I checked the manual for the EL-501W calculator and I found out that it does not do fraction calculations. However yours may be able to. Look for a key labeled [a b/c] and a [2ndF] key [d/c].

If you have them then you can calculate with fractions.

The way to use the [a b/c] key is as follows
15 [a b/c] 7 [a b/c] 19 [a b/c] should allow you to enter 15 and 7/19.
A mixed fraction can be converted into an improper fraction by pressing [2ndF][d/c]

Jan 08, 2009 | Sharp EL-501WBBL Calculator

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