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 }`

.