Function sqrt() calculates the square root of a number, both the argument and the return are non-negative.

Arguments：

• Base <number>, non-negative

Returns：

• Square root <number>, non-negative

Common Usage

Example: return the square root of 1.5

return sqrt(1.5)

Example: return 1, 2.5, and 3's square roots

uncollect [1, 2.5, 3] as a
return sqrt(a)