thanks for the reply

Unfortunately, the result does not match
I tried like this, but to no avail
bbw = bbup-bbdn
bbw = (bbup-bbdn) / 2
bbw = (bbup / bbdn)
bbw = (bbup / bbdn) / 2

I have a program made ​​with omega easylenguage research

basically I have to decipher the function that bandwidth in order to
understand how it is calculated (possibly to move the code on this platform)
you can know the calculation is done for bandwidth?

thanks!!