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
graph.mod      Graph visualization
hashi.mod      A solver for the Japanese number-puzzle Hashiwokakero
huge.mod       Arithmetic mean of a large number of integers
jssp.mod       Job-shop scheduling problem
magic.mod      Magic square
maxcut.mod     Maximum cut problem
maxflow.mod    Maximum flow problem
mfasp.mod      Minimum feedback arc set problem
mfvsp.mod      Minimum feedback vertex set problem
min01ks.mod    Finding minimal equivalent 0-1 knapsack inequality
misp.mod       Maximum independent set problem
money.mod      A crypto-arithmetic puzzle
mvcp.mod       Minimum vertex cover problem
numbrix.mod    Number placement puzzle
pbn.mod        Paint-by-numbers puzzle
plan.mod       A simple LP problem
prod.mod       A multiperiod production model
qfit.mod       Quadratic curve fitting solution
queens.mod     A classic combinatorial optimization problem
sat.mod        Satisfiability problem
shiftcover.mod Workforce shift coverage assignment problem
shikaku.mod    A solver for the logic puzzle Shikaku
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
trick.mod      A transportation design problem
tsp.mod        Traveling salesman problem
xyacfs.mod     Extended yet another curve fitting solution
yacfs.mod      Yet another curve fitting solution
zebra.mod      Who owns the zebra?