Full clickable keybiard of a TI-83/+ for entering tokens and commands
Working menu system and partial frontend: click [2nd][Y=], for example, to put up the Plots menu, then click the "PLOTS TYPE MARK" row to advance as if [>] had been pressed
Line numbering: pressing enter in the textbox makes a linenumber automatically appear at the beginning of a new line, backspacing also deletes the entire line number and moves to the previous row. To Do: cross-browser (only works in mozilla/firefox), detection of attempted backspacing within line number, removal of line numbers before code is passed to recompiler.
Other ideas in the works:
Option to optimize code for size or speed, prompted by a heated argument on the forum.