TI-89 Titanium

  • Calculators
  • Thread starter txxp4
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  • #1
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Main Question or Discussion Point

Just got a new TI-89 Titanium, can't really figure it out yet, I need help changing decimals to fractions, and fractions to decimals fast. Any ideas?
 

Answers and Replies

  • #2
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To convert a fraction to a decimal, type it out first, and before pressing Enter, press the diamond key to tell the TI to report the solution as a decimal. This works for all expressions that are expressed as fractions (exact answers).

To change the mode, go to Mode, Page 2, under Exact/Approx., change the value to Exact or Approximate, depending if you want decimals versus fractions all the time. I recommend leaving it on AUTO mode so that you get exact (fractional) answers by default unless you press the diamond key before entering the expression.
 
  • #3
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Or, if you want to make life easy, just type a period after a number in the fraction, and it will print out as a decimal.

For example, "4/3" is printed as "4/3", but "4/3." is printed as "1.33333"
 

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