ROUND, ROUNDDOWN, ROUNDUP, TRUNC – DAX Guide

ROUND: Rounds a number to a specified number of digits.
https://dax.guide/round/

ROUNDDOWN: Rounds a number down, toward zero.
https://dax.guide/rounddown/

ROUNDUP: Rounds a number up, away from zero.
https://dax.guide/roundup/

TRUNC: Truncates a number to an integer by removing the decimal, or fractional, part of the number.
https://dax.guide/trunc/

---