1. See also

4.0 may refer to:

• 4 (disambiguation)
• 4.0 (Mónica Naranjo album), a 2014 compilation album by Spanish recording singer-songwriter Mónica Naranjo
• LP Underground 4.0, a 2004 CD and digital download set by Linkin Park Underground
• Live Free or Die Hard, a 2007 American action thriller film (released as Die Hard 4.0 outside North America)

See also

• Industry 4.0

• Cottriall, James
• Cot (trigonometry)
• Cottrill
• Cottrill (disambiguation)
• Cotts, William
• Cottunculus microps
• Cottus aenaeus
• Cottus altaicus
• Cottus amblystomopsis
• Cottus asper
• Cottus aturi
• Cottus baileyi
• Cottus beldingii
• Cottus bendirei
• Cottus brandtii
• Cottus brodamus
• Cottus caeruleomentum
• Cottus cataphractus
• Cottus chattahoochee
• Cottus confusus
• Cottus czerskii
• Cottus duranii
• Cottus dzungaricus
• Cottus ferrugineus
• Cottus formosus