Deletion of PDFO

Comment: none of the sources appear to contribute towards . In fact, most of them do not even mentioned the software suite PDFO. On the whole, the subject seems ''adjacent'' to notable topics: Michael J. D. Powell|Powell himself is notable, as may be some of the algorithms he wrote. But the notability of this particular software is not evidenced by the sources (let me know if any of these assessments look incorrect).{{ source assess table
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)