1. Any notation for the representation of numbers
   - number system, number representation system, system of numeration

Type of: mathematical notation

• accelerator factor
• accelerator pedal
• acceleratory
• accelerometer
• accent
• accent mark
• accented
• accenting
• accentor
• accentual
• accentual system
• accentually
• accentuate
• accentuation
• accept
• acceptability
• acceptable
• acceptableness
• acceptably
• acceptance
• acceptance sampling
• acceptant
• acceptation
• accepted
• accepting