Anybody use these on the droids etc.? I know there is a duct sizing app and a gas pipe app.
There not free though......how they be?
"Politicians are the lowest form of life on Earth. Liberal Democrats are the lowest form of politician"
- General George S. Patton
I use Iphone, most not bad. HVAC Buddy HVAC PT, room for improvemnet but, a good start.....