Need to find the area of a triangle, the volume of a sphere or something about some other shape and can't remember how?

This app shows you the necessary equations and calculates the results for you.

Explanatory notes on each shape are included. All the common shapes are included along with a few that are not so common.

This app is a handy revision tool for students and an everyday calculator for engineers, scientists and many other professions.

Two dimensional shapes included are: Circle, Sector of a Circle, Segment of a Circle, Ellipse, Right Triangle, Isosceles Triangle, Acute Triangle, Obtuse Triangle, Rectangle/Square, Trapezoid, Parallelogram and Regular Polygon with any number of sides.

Three dimensional solid shapes included are: Sphere, Spheroid, Torus, Cylinder, Triangular Prism, Rectangular Prism/Cube, Cone, Conical Frustum, Triangular Pyramid, Triangular Frustum, Rectangular Pyramid and Rectangular Frustum.