Math-o-mir

This is a math note-taking software. You can rapidly type math formulas, text and create hand-drawings. It is fast enought that students can type their math/physics notes in real time. It is also handy enough that engineers can use it to make their back-of-the-envelope calculations.

Inside its paper-like wysiwyg interface you can easily move or copy equations by a mouse click. No need to write math expresions over and over again. No need to decode your handwriting. No need to misplace your math papers any more. No need to know LaTeX.

The software supports basic symbolic computation and function plotting. Simple hand-drawings or more technical drawings can be created to illustrate your math artwork... The software is free of charge and free to use in any way.