$SUBJECTS=array('','Biology','Chemical Reaction Engineering','Chemistry','Computers','Direct-Current Circuits','Distillation','Fluid Dynamics','Economics','Electric Circuits','Engineering Mechanics','Fluid Mechanics','Heat Transfer','Mass and Energy Balances','Mass Transfer','Materials Science','Mathematics','Mechanics of Materials','Probability and Statistics','Process Control','Process Safety','Statics','Thermodynamics','Unit Processes');
$FOLDER=array('','biology','chemical_reaction_engineering','chemistry','computers','direct-current_circuits','distillation','fluid_dynamics','economics','electric_circuits','engineering_mechanics','fluid_mechanics','heat_transfer','mass_and_energy_balances','mass_transfer','materials_science','mathematics','mechanics_of_materials','probability_and_statistics','process_control','process_safety','statics','thermodynamics','unit_processes');
for ($j=1;$j<=23;$j++){
echo '
‘.$j.’. ‘.$SUBJECTS[$j].’‘;
}
?>