sqrt( num )
- Calculates the square root of a number.
- num
-
- The number. Must be positive.
The sqrt() function calculates the square root of a positive number.
When given a negative number, sqrt() returns a result, but it isn't useful. As of version 0.2.6b, this seems to be always 0.
Examples[]
print(sqrt(9)) -- 3
print(sqrt(0.25)) -- 0.5