The free student version is limited to problems with at most 300 variables
and 300 constraints. It will work indefinitely.
The full version has no size limitation but requires a license in order to use it. For information on how to purchase a commercial license, click here.
If you wish to try LOQO before buying a license, we encourage you to submit sample problems to the NEOS server. To do that, click here.
Meanwhile, to try LOQO for 30-days, risk-free on your own computer, fill out the form below and click "submit".