Calculator parts
Else clues• Calculator components
• Circuit components
• Circuit-board items
• Current conduits
• Current controllers
• Digital watch components
• Electron tubes
• Light emitters
• Light emitters, maybe
• Logic-gate components
• Old radio tubes
• Receiver components
• Rectifiers
• Semiconductors
• Some are light-emitting
• Some compact light sources
• Some electron tubes
• Some electronic parts
• Some rectifiers
• Some semiconductors