non-square root function?

[Huub van Niekerk]

Hi,

What is in scilab the inverse function of power, e.g. the non-square 
root? 2**2 = 4, so sqrt(4) = 2. But 2**3 = 8, so the 3rd-power root of 8 
= 2. But what is the function in scilab?

Thanks.