Concrete Estimator (v. 1.1)
Rick Thompson опубликовал приложение 2010-10-17 (обновлено 2010-10-17)
Calculates the size and materials needed for a concrete slab. Right now it is only for a 3000psi mix of 1:3:3 ratio. Future releases will let you change the mix ratios. Licensed under the GPL V3. http://code.google.com/p/concrete-estimator/