I FOUND THE PROBLEM !!! In fact, there were 2 problems: 1) there is a bug in the previous versions (that's what you said Me_again) 2) I'm in France and here we write 16,666 and not 16.666 !!! So with the 7.3.11.3e + Windows setting on . instead of , for the digits, now it works and I don't have any ...

Happy to hear that you got the same error ! I read the link you wrote, thank you, that is exactly the information I was looking for ! Yes, I had an older version before trying the 7.3.11 eval, and I have this bug with the 2 versions. I have to try to install the 7.3.11 eval on a new system, without ...

Thank you for your answer. I checked my script, but there are no blank spaces hidden.
I'm on WIN XP PRO + 7.3.11.3e evaluation.

Hi,

I don't understand why

Let>I={Round(50/3)}
Send>%I%

returns: 17
this is ok, but

Let>I=50/3
Let>I={Round(%I%)}
Send>%I%

returns "Invalid parameters to ROUND" and "Cannot read String as Float" messages !