Web2.0calc is the ultimate online tool for your day-to-day math. It combines features of computer algebra systems with the result-presentation of a LaTeX typesetting module. Many powerful features like vector/matrix-operations, complex numbers, unit/conversions and big-number calculations making your old pocket calculator look like a toy. In the "expert mode", you can edit your formulas in the full-page editor, share it with your friends or embed it into your blog/homepage.