Texas Instruments TI-83 PLUS - Manual (Page 276)

TI-83 Plus Matrices 273
matrixA ƒ matrixB returns 1 if at least one comparison is false; it returns 0 if
no comparison is false.
iPart(, fPart(, int(
iPart( (integer part), fPart( (fractional part), and int( (greatest integer) are
on the
MATH NUM
menu.
iPart( returns a matrix containing the integer part of each element of
matrix .
fPart( returns a matrix containing the fractional part of each element of
matrix .
int( returns a matrix containing the greatest integer of each element of
matrix .
iPart( matrix )
fPart( matrix )
int( matrix )