Computer peripheral equipment
Legibility
Mathematical calculations
Visual perception
Performance testing
Performance
Cathode-ray tubes
Spaced
Luminance
Straight
Angles (geometry)
Design
Testing conditions
Graphic characters
Ergonomics
Glare
Formulae (mathematics)
Computer terminals
Office machines
Flicker
Conformity
Display devices (computers)
Computer hardware
Resolution
Photometry (light measurement)
Working conditions (physical)
Stability
Office equipment
Size