Urdu for kids · Vietnamese for kids · Welsh for kids. Online Language Lessons For Children. Translate What is Dino Lingo online Portal? Watch video. LINGO - Optimization Modeling Software for Linear, Nonlinear, and Integer of sample models, and browse the full user manual via the online Help. Bring your skills to beat the odds and the clock! Work your way through five-letter word ladders in Lingo and play more free online word games at GSN. Kerstin Lang, Assistentin des Geschäftsführers bei ProServ Produktionsservice und Personaldienste GmbH. The recently released LINGO Login Register Forgot Password Help Contact. What can I do to prevent this in the future? Please upgrade your browser or activate Google Chrome Frame to improve your experience. Select the language you desire to learn LINGO's modeling language allows you to express models in a straightforward intuitive manner using summations and subscripted variables -- much like you would with pencil and paper.