# Calc02_1day2 - 2.1 day 2 Step Functions"Miraculous...

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2.1 day 2: Step Functions “Miraculous Staircase” Loretto Chapel, Santa Fe, NM Two 360o turns without support! Greg Kelly, Hanford High School, Richland, Washington Photo by Vickie Kelly, 2003

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“Step functions” are sometimes used to describe real-life situations. Our book refers to one such function: int( ) y x = This is the Greatest Integer Function . The TI-89 contains the command , but it is important that you understand the function rather than just entering it in your calculator. int( ) x
Greatest Integer Function: greatest integer that is x y = x y 0 0 0.5 0 0.75 0 1 1

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Greatest Integer Function: greatest integer that is x y = x y 0 0 0.5 0 0.75 0 1 1 1.5 1 2 2
Greatest Integer Function: greatest integer that is x y = x y 0 0 0.5 0 0.75 0 1 1 1.5 1 2 2

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Greatest Integer Function: greatest integer that is x y = x y 0 0 0.5 0 0.75 0 1 1 1.5 1 2 2
Greatest Integer Function: greatest integer that is x y = The greatest integer function is also called the floor function . The notation for the floor function is: y x = �� �� We will not use these notations.

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• Fall '05
• Riggs
• Differential Calculus, Sin, Floor and ceiling functions, nearest integer function, integer function

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