Derivation of the Routh array

Z2 may refer to:

• Z2 (computer), a computer created by Konrad Zuse
• ${\mathbb{\mathbb{Z}}}_2$, the quotient ring of the ring of integers modulo the ideal of even numbers, alternatively denoted by $\mathbb{\mathbb{Z}}/2\mathbb{\mathbb{Z}}$
• Z₂, the standard axiomatization of second-order arithmetic
• German destroyer Z2 Georg Thiele, a Type 1934 destroyer in the German Kriegsmarine
• German destroyer Z-2, a ship transferred to the German Navy in 1959
• Kawasaki Z2, a motorcycle
• RAID-Z2, a way to combine multiple disk drives in a computer
• Zelda II: The Adventure of Link, the second video game in the Legend of Zelda series
• Zest Airways, an airline based in Pasay City, Manila in the Philippines
• Zork II, a computer game
• A wireless speaker system from Bowers & Wilkins