Apple Newton Works Graphing Calculator - Manual (Page 13)

4 Tap the function that you want to use in your calculation, then tap Insert.
The function appears and the caret is placed between the parentheses.
5 If desired, tap X to close the function slip.
6 Enter the arguments for the function.
Using the integer functions
The Integer list contains the following functions:
Function Abbreviation Description
Ceiling Ceiling(x) Returns the smallest integer greater than x
Floor Floor(x) Returns the largest integer less than x
Round Round(x) Returns the nearest integer to x (rounds to even
integers on x.5 values)
Truncate Trunc(x) Returns the numbers to the left of the
decimal point of x
Examples
y(x) = Ceiling(2.3x+3.6)
y(x) = Round(3*x/4)
mymodulus(x,y) = x–y*Trunc(x/y)
Using Functions and Variables 13