Question about Texas Instruments TI-15 Calculator

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To enter the fraction two-thirds (2/3), first enter the number two. Then press the key that is the letter n with a bar underneath it. This will designate the 2 as the numerator of the fraction. Then, enter the number 3 followed by the key that is the letter d with a bar over it. That designates the 3 as the denominator of the fraction.

Any fraction can be inputted in the same manner. First the numerator followed by the n with a bar under it, then the denominator followed by the d with the bar over it. Once your fraction is inputted, continue with your computations as normal.

Posted on Apr 08, 2011

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Posted on Jan 02, 2017

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- Make sure you're working with two fractions.
- Multiply numerator x numerator, then multiply denominator x denominator.

- Make sure you're working with two fractions
- Flip the second fraction upside down.
- Change the division sign into a multiplication sign.
- Multiply top x top and bottom x bottom.

- Convert mixed numbers into improper fractions.
- Take the whole (non-fraction) number and multiply it by the denominator.
- Add that answer to the numerator.
- Put that amount over the original denominator and you will have an improper fraction.

- Find the lowest common denominator (bottom number). For both adding and subtracting fractions, you'll start with the same process.
- Multiply fractions to match the lowest common denominator.
- Add or subtract the two numerators (top number) but NOT the denominators.

Mar 07, 2017 | Homework

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

The MATH menu has two options 1:>Frac, 2:>Dec.

The first entered on the command line after a fraction keeps the result in (reduced) fraction form. On a displayed result, it converts a decimal into a fraction.

The second 2:>DEC converts a fraction into a decimal number.

The latest OS (2.53MP and following) has a better handling for fractions.

Feb 27, 2012 | Texas Instruments TI-84 Plus Calculator

Use the fraction conversion features of the calculator.

Near (above) the [S<>D] key that toggles display between fraction/radicals and decimals, there is a marking that reads [a b/c <=>d/c]. Accessed through the [SHIFT] key, this key converts from improper fractions [a b/c] to improper fractions [d/c].

Enter your fraction with the fraction key (the one below the CALC key) and press enter. If the numerator is less then the denominator (proper fraction) the remainder is just the numerator. If the numerator is greater than the denominator the display will show an improper fraction (d/c) or a mixed number [a b/c]. Here a is the integer part and b/c is the fraction part.

So, if you have [a b/c] type display the remainder is b.

If the result is displayed as an improper fraction, use [SHIFT][S<>D] to convert the improper fraction (d/c) to a b/c.

Near (above) the [S<>D] key that toggles display between fraction/radicals and decimals, there is a marking that reads [a b/c <=>d/c]. Accessed through the [SHIFT] key, this key converts from improper fractions [a b/c] to improper fractions [d/c].

Enter your fraction with the fraction key (the one below the CALC key) and press enter. If the numerator is less then the denominator (proper fraction) the remainder is just the numerator. If the numerator is greater than the denominator the display will show an improper fraction (d/c) or a mixed number [a b/c]. Here a is the integer part and b/c is the fraction part.

So, if you have [a b/c] type display the remainder is b.

If the result is displayed as an improper fraction, use [SHIFT][S<>D] to convert the improper fraction (d/c) to a b/c.

Dec 08, 2011 | Casio FX991ES Scientific Calculator

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).**

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

To perform arithmetic operations on fractions use the regular operation keys (x, +, -, /). The calculator will perform the operations and display the results as fractions

Aug 15, 2011 | Casio fx-300ES Calculator

A fraction is just a particular number.

- Enter numerator of first fraction
- Press the division sign
- Enter the denominator of first fraction
- Press the multiplication key
- Enter second numerator
- Press the division key
- Enter the denominator of second fraction
- If you want a decimal result press [ENTER]
- However, if you want a fraction press [MATH][1:

Sep 21, 2010 | Texas Instruments TI-83 Plus Calculator

find the least common denominator between the original fraction into the new fraction.

example, 1/2 to 2/4 to 4/8 to 8/16.

example, 1/2 to 2/4 to 4/8 to 8/16.

May 19, 2010 | Cycling

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.

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

Enter any fraction as a division problem and your TI 83 will evaluate it as a fraction.

For instance, 3/4 = three fourths.

For instance, 3/4 = three fourths.

Nov 13, 2009 | Texas Instruments TI-84 Plus Calculator

In the CATALOG there is a >Frac command that can be used with parentheses to multiply fractions.

(1/2)(1/3)>Frac

1/6

(1/2)(1/3)>Frac

1/6

Jun 18, 2008 | Texas Instruments TI-85 Calculator

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