- round
round number
Reports the integer nearest to number.
If the decimal portion of number is exactly .5,
the number is rounded in the positive direction.
show round 4.2
=> 4
show round 4.5
=> 5
show round -4.5
=> -4
- precision
precision number
places
Reports number rounded to places decimal places.
If places is negative, the rounding takes place
to the left of the decimal point.
show precision
1.23456789 3
=> 1.235
show precision 3834 -3
=> 4000
- ceiling
ceiling number
Reports the smallest integer greater than or equal to number.
show ceiling 4.5
=> 5
show ceiling -4.5
=> -4
- floor
floor number
Reports the largest integer less than or equal to number.
show floor 4.5
=> 4
show floor -4.5
=> -5
