This guy is the absolute worst!! STAY AWAY!!! Do not buy his software - buy enercalc instead! His software has glitches and this dude doesnt help! This guy is the most PARANOID person you will ever meet! He thinks everyone is out there to hack his software! He has literally no experience and absolutely no concept of customer service! He is extremely RUDE, he thinks you are out to get him! His instructions are the worst! His communication skills are the worst! If you can stay from him - do it! Daniel is the absolutely worst! How someone can be smart and dumb at the same moment - its this guy! I mean even the word paranoid doesnt do justice to how paranoid this guy is!! Buy Enercalc instead - does the same job no glitches and better customer service! If I could give multiple negative reviews - I would! Thats how bad this guy is - money down the drain! Daniel if you read this - please seek professional help!