Pocket Geometry was voted #13 in Math category in Mobile Learning in Action! See all apps here: http://bestonlineuniversities.com/favorite-mobile-learning-apps/

Simple and easy to use geometry app that you can carry in your pocket!
Calculate the perimeter area surface or volume of various geometric shapes.
Shapes includes 2D (square rectangle circle triangle trapezoid parallelogram)
and 3D (cone pyramid sphere cube cylinder and rectangular prism)
If you are willing to help me translate this app into your language send me an email ;)