Related Clues:

• One's contribution at home, say
• Data entered the wrong way round
• Contribution; enter (data)
• Energy needed for turning heat up nightly
• Courier for example, is kind
• Contribution made by one eccentric, about a penny
• Trendy set's contribution
• Comment, contribution
• Contribution that, on reflection, sounds of little value?
• Helpful advice
• Power to stop one fanatic's contribution
• Signal fed to equipment
• Stamp fifty pence pieces?
• Use a keyboard; sort
• Printed letters