Step is an interactive physical simulator. It allows you to explore the physical world through simulations.
바라보다
Kig is an interactive mathematics software for learning and teaching geometry.
계산하다
Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).
지오지브라
Get our free online math tools for graphing, geometry, 3D, and more!