Abstract: A computerized editing and composing system and method which conveniently and directly edits and composes complex scientific formulas, chemical structural formulas and music staves. The system comprises a computer, an I/O interface, an input device, a character library and character generating system, a display, an editing and composing process device and peripheral devices, and automatically processes the corresponding text while providing the user with a simple and convenient operational interface with inputting, editing, composing and outputting techniques to generate the different resolutions of the output.