MROUND Function
From Planfix
The function MROUND returns a number rounded to the desired multiple.
Format:
MROUND(number;multiple)
Examples:
MROUND(10;3) - rounds the number 10 to the nearest multiple of 3. Result = 9
MROUND(1.3;0.2) - rounds the number 1.3 to the nearest multiple of 0.2. Result = 1.4