Question about Texas Instruments TI-89 Calculator

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There are two options.

1) Whenever you want the answer in decimal form, place a decimal after at least one of the numbers.

For example: instead of using (1/2) use (1/2.)

2) Press the "Mode" button. Scroll down the list that appears until you find "Exact/Approx". If you set it to "Approximate", then it will always give the answer in decimal form. If you set it to "Exact", it will give the answer in fraction form.

Posted on Nov 12, 2009

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Posted on Jan 02, 2017

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Not quite true for OS 2.56 MP for the TINspire with Ti84 keyboard. To convert a complex decimal value, that you just calculated, into a fraction use the command Math [1:>Frac] and it will convert the value to complex fractions

See below.

See below.

Oct 27, 2011 | Texas Instruments TI-84 Plus Silver...

Press the S--D key located above the DEL key to convert between symbolic and decimal forms. To have all answers come out in decimal form, press SHIFT MODE 2 to switch to LineIO mode.

Dec 13, 2010 | Casio FX-115ES Scientific Calculator

To convert a single result from fraction to decimal, press SD. To have all results come out in decimal, press SHIFT MODE 2 to select LineIO mode.

Sep 26, 2010 | Casio fx-300ES Calculator

Press SHIFT MODE 2 to select LineIO mode. Now all results will come out in decimal form.

Aug 31, 2010 | Casio fx-300ES Calculator

For converting answers in decimal to fraction or fraction to decimal there is a S<->D key above delete key.If the answers is in fractional form press this key and it will be converted to decimal form.

Jun 04, 2010 | Casio FX-115ES Scientific Calculator

Hello,

That is the answer in fraction representation. If you want to convert it to decimals use the [S<->D] key. Every time you press that key the displyed result changes to the other form.

Hope it helps.

That is the answer in fraction representation. If you want to convert it to decimals use the [S<->D] key. Every time you press that key the displyed result changes to the other form.

Hope it helps.

Sep 07, 2009 | Casio FX-115ES Scientific Calculator

Hello,

To convert fractions to decimals or decimals to fractions, you use the [S<->D] key. Each time you press the key the result is displayed in the other format.

Alternatively, If you multiply or divide two integer numbers put a decimal mark at the end of one of the numbers (any one). The result will be displayed in decimal format.

Hope it helps.

To convert fractions to decimals or decimals to fractions, you use the [S<->D] key. Each time you press the key the result is displayed in the other format.

Alternatively, If you multiply or divide two integer numbers put a decimal mark at the end of one of the numbers (any one). The result will be displayed in decimal format.

Hope it helps.

Jun 01, 2009 | Casio FX-115ES Scientific Calculator

To change from Fraction display to Decimal display on the Casio fx-300ES (and probably other calculators)

1) Press the "SHIFT" button

2) Press the "MODE/SETUP" button

3) Press the "2" button

This Changes it to LINEIO (Decimal)

Doing all of the above but pressing the "1" button instead of the "2" puts it back into MATHIO mode (Fraction)

Hope this Helps

(SHIFT)(MODE/SETUP)(2) to change to decimal

1) Press the "SHIFT" button

2) Press the "MODE/SETUP" button

3) Press the "2" button

This Changes it to LINEIO (Decimal)

Doing all of the above but pressing the "1" button instead of the "2" puts it back into MATHIO mode (Fraction)

Hope this Helps

(SHIFT)(MODE/SETUP)(2) to change to decimal

Nov 07, 2008 | Casio fx-300ES Calculator

yo whatz good playa.. just click Shift, mode, then click 2.

Oct 01, 2008 | Casio FX-115ES Scientific Calculator

you can also go press the 'mode' button, and go down until you're at 'Exact/Approx' and choose '3: Approximate'

Sep 10, 2008 | Texas Instruments TI-89 Calculator

May 21, 2014 | Texas Instruments TI-89 Calculator

Feb 17, 2014 | Texas Instruments TI-89 Calculator

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