Number Menu
Press
to view the Math Num menu.

Press
to view more options.
Press
and select
round to round a number to a given number of places.
Press
and select
iPart to return the integer part of a number.
Press
and select
fPart to return the fractional (decimal) part of a number. This is
the same as the number minus its integer part.
Press
and select
int to return the greatest integer less than or equal to the argument.
Press
and select
abs to find the absolute value of a real or complex number.
Press
and select sign to find the sign of a number x as x/|x| for
nonzero x and 0 if x is 0.
Press
and select min to return the smaller of the two arguments.
Press
and select max to return the larger of the two arguments.
Press
and select modulo to find the remainder
when the first argument is divided by the second.
The options Round, min, max, and mod
take two arguments each, separated by a comma, and enclosed by a pair of
perentheses.
These functions can be evaluated on each
element in a list. For example,
fpart { 1.23 , 4.32 , 1.5 , -2.333 }
returns { .23 .32 .5 -.333 }.