Possible Clues:

• Mathematical operation used before electronic computing
• 'Power of Maths': record with which member secures unlikely hit
• Oral might be set for calculating power of mathematicians
• Mathematical aid using the power of a fixed number
• Mathematical exponent
• A number of tables available for maths lesson
• Exponent of record with a beat that's audible
• Math term
• Aid to mathematical calculation
• Power to which base number must be raised to obtain a given number