it gives me error ^ invalid value!

[adriano]

is it not possible to write X ^ Y? it gives me error ^ invalid value!

[josecortesllobat]

I think you have to use a MQL math function

https://www.mql5.com/es/docs/math/mathpow

[josecortesllobat]

Here you have a good example given by @miro1360 in which you can see what you want to code.

https://fxdreema.com/forum/topic/5983/square-root