Hi Al, thank you once again for all explanations and your invaluable help. Change of the computer settings solved all my problems and it turned out that a simple closing/re-opening of the Eco application resulted in all commas being changed into decimals (in the DBH and other values I entered earlie...

Al, thank you very much for such a quick and detailed response. Yes, you were repeating exactly the same procedure as I was doing. However, I implemented your second advice - changed all my computer settings to English (U.S.) and it did help with entering shrub height. I put 0.5 and it worked!!! yup...

Hi, I am using i-Tree Eco version 4.1.5 and I have a problem with inserting shrub height. System doesn't allow me to enter height that is less than 1m. I tried to put it as 0,1 or 0.1 - each time I got alerted that the number has to be between 0.1-99 I put it but system still refuses!! Can someone p...