first
Create README.md
Update README.md
plugin PDF
PNG, Menu

PNG conversion, first version of a menu
Inserted default math packages, menu fixed
Default pdf for faster menu generating
Improved preview
Interactive equation editor
Optimalization of graphic UI for creating eq
new menu elements were made functional
Greek letters optimalization
removing math objects
power, index
removing math objects
Merge branch 'master' of https://github.com/BJMg/EquationEditor
Revert "power, index"

This reverts commit 3054f2037ea0b27d40915b55650f758269373f3c.
Fixed several minor bugs about rendering power
Fixed several minor bugs
fixed several minor bugs