Design and analyze structural shallow foundation, deep foundation, and retaining walls using your iPhone, iPod touch, and iPad. Foundation is specially designed for the iPhone and iPad user interface making it very efficient and easy to use in the office, the classroom, and everywhere else. Foundation is for all civil, architecture, and geotechnical engineers and students. Foundation support both English and SI units and gives you the option to use US, Canadian, or European metric rebars when using SI units. With Foundation, you have the ability to email or print results from your iPhone or iPad.