Gekko Simulation Software

Gekko Simulation Software is a free time-series oriented software package for solving and analyzing economic models. Features include time series oriented, flexible data banks: annual, quarters, and months, dynamically loaded and compiled models, gauss and Newton solvers with ordering and feedback logic, Fair-Taylor solver for forward looking models, number of simultaneous goals or means possible, failsafe mode for simulation, in-built equation browser with variable list, decomposition of changes in equations, double precision missing values handled consistently, expressions accepted anywhere: in print and plot, strict language syntax (via in-built ANTLR parser) with loops and conditionals, graphics by means of embedded gnuplot, tabelling and menu system outputting in text, html, or Excel, and read or write from Excel or other spreadsheets.