Apple iWork '09 - Manual (Page 178)

INT
The INT function returns the nearest integer that is less than or equal to the number.
INT(num-to-round)
 num-to-round: The number to be rounded. num-to-round is a number value.
Examples
=INT(1.49) returns 1.
=INT(1.50) returns 1.
=INT(1.23456) returns 1.
=INT(1111.222) returns 1111.
=INT(-2.2) returns -3.
=INT(-2.8) returns -3.
Related Topics
For related functions and additional information, see:
“CEILING” on page 170
“EVEN” on page 173
“FLOOR” on page 176
“MROUND” on page 183
“ODD” on page 185
“ROUND” on page 191
“ROUNDDOWN” on page 192
“ROUNDUP” on page 193
“TRUNC” on page 204
“More on Rounding” on page 355
“Listing of Numeric Functions” on page 167
“Value Types” on page 36
“The Elements of Formulas” on page 15
“Using the Keyboard and Mouse to Create and Edit Formulas” on page 26
“Pasting from Examples in Help” on page 41
178 Chapter 8 Numeric Functions