All PENOPT solvers can be purchased from PENOPT GbR; for prices see the price list. To obtain a license agreement and order a PENOPT code, click here.

PENLAB is a free (GPLv3.0) open-source code and can be downloaded here. PENLAB was developed in cooperation with NAG Ltd.

PENNLP, PENSDP, PENBMI and PENNON are also available as MATLAB toolboxes through TOMLAB Optimization Inc. The Tomlab optimization environment for MATLAB, compilable with MCC and MIDEVA, is a flexible, easy-to-use, robust and reliable environment for the solution of most types of applied optimization problems. Detailed information can be found on TOMLAB pages .

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