Detexify 1.0.2 Description:
Detexify is a small OS X application that can help you find and place on your clipboard the LaTeX code for various mathematical symbols. The utility comes with a drawing panel, and the user gets to input the symbol by using the mouse or the trackpad. To find the specific LaTeX code for a particular symbol, you must manually browse various resources which can prove to be considerably time-consuming. To bypass the issue you can choose to memorize the codes for the frequently used ones, but this is not a viable solution in all cases. Detexify considerably simplifies the problem by offering to the user the possibility to find the code for any symbol almost instantly.