Space (or the little pencil icon in the top left) to input an equation. (mostly) understands natural language, but not everything. The gear icon shows the bounds (currently not editable). The graph icon plots the graph res (resolution) controls how fast it draws; lower RES is higher resolution Run in Turbo!
Rudimentary parser script; ripped the infix <-> postfix code from http://scanftree.com/Data_Structure/postfix-to-infix and http://scanftree.com/Data_Structure/infix-to-postfix GUI destroyed by new UI. Thanks. Minor fix added but it still looks ugly. This is basically a test run for Calculator 2.0, but who knows when (if) that will ever happen SUPPORTED OPERATORS: ^ * / + - ( ) sin cos tan asin acos atan log ln