Pocket Mathematics just received an update with new chapter: Basic concepts in geometry. Geometry is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.

New chapter, Basic concepts in geometry, contains the following sections:

- The axioms of plane geometry
- The axioms in the solid geometry
- Plane figure
- Solid figure
- Convex figure
- Congruent figures
- Similar figures

Pocket Mathematics is available on Google Play store and Windows Phone store: