assign.mod Assignment problem bpp.mod Bin packing problem cal.mod Print an ASCII calendar of the given year cf12a.mod Curve fitting problem cf12b.mod Curve fitting problem cflsq.mod Curve fitting problem by least squares color.mod Graph coloring problem crypto.mod A crypto-arithmetic puzzle dea.mod Data envelopment analysis (DEA) diet.mod Stigler's nutrition model dist.mod A product distribution model egypt.mod A static model for fertilizer production fctp.mod Fixed-charge transportation problem food.mod Food manufacture model food2.mod Food manufacture model gap.mod Generalized assignment problem jssp.mod Job-shop scheduling problem maxcut.mod Maximum cut problem maxflow.mod Maximum flow problem mfasp.mod Minimum feedback arc set problem mfvsp.mod Minimum feedback vertex set problem misp.mod Maximum independent set problem mvcp.mod Minimum vertex cover problem plan.mod A simple LP problem prod.mod A multiperiod production model qfit.mod Quadratic curve fitting solution sat.mod Satisfiability problem spp.mod Shortest path problem stigler.mod Original Stigler's 1939 diet problem sudoku.mod Number placement puzzle tas.mod Tail assignment problem todd.mod A class of hard instances of 0-1 knapsack problems train.mod A model of railroad passenger car allocation transp.mod A transportation problem tsp.mod Traveling salesman problem yacfs.mod Yet another curve fitting solution zebra.mod Who owns the zebra?