1. Any notation that uses 16 different characters
   - hexadecimal notation

Type of: mathematical notation

• sail
• sail through
• sailable
• sailboard
• sailboat
• sailcloth
• sailer
• sailfish
• sailing
• sailing boat
• sailing master
• sailing ship
• sailing vessel
• sailing warship
• sailing-race
• sailmaker
• sailor
• sailor boy
• sailor cap
• Sailor King
• sailor suit
• sailor's breastplate
• sailors choice
• sailplane
• sailplaning