| addConstraint | Add a new constraint to a LP or MIP |
| addVariable | Add a new variable to a LP or MIP |
| checkDims | Check the consistency of the dimensions of a LP or MIP |
| lpmodeler | Modeler for linear programs (LP) and mixed integer programs (MIP) |
| mipSolve | Solve a LP or a MIP |
| newProblem | Create a new LP or MIP |
| print.lpmodeler | Print a LP or MIP problem |
| setCoeff | Set the coefficient of a variable in a contraint of a LP or MIP given their indexes |
| setPoint | Set the coefficient of a variable in a contraint of a LP or MIP given their names |