Technology Appendix - McGraw-Hill Ryerson
Technology Appendix - McGraw-Hill Ryerson
Technology Appendix - McGraw-Hill Ryerson
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Function or Task! (factorial)!Keystroke(s), Menu, or ScreenThe TI84+ does not have a dedicated factorial key. Tocalculate a factorial, you will use the ! function availableunder the MATH PRB menu.For example, evaluate 8!. Press MATH and then the rightarrow key to go to the PRB menu. Select 4: ! and pressENTER. The answer 40 320 appears.Note: The TI84+ has the same maximum 69! limit that mostscientific calculators have. Most spreadsheets have muchhigher limits.Top MenuFunction or Task>Frac functionvalue >FracKeystroke(s), Menu, or ScreenThe >Frac function found under the MATH menu willdisplay results of a calculation in fractional form.Example:Find the sum 1 + 1 , and display the result as a fraction rather2 3than as a decimal.Type 1 ÷ 2 + 1 ÷ 3 .Press MATH select 1:>Frac. Press ENTER.The result will look like this:Top MenuMHR • Mathematics of Data Management <strong>Appendix</strong> B (Revised 2010) Page 14 of 129
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