Related Clues:

• Follows a cooking instruction
• It makes sense to Bill and Spud Cook
• Includes, with ''in''
• Calculates a sum
• Number science
• Looking back, charlatan wraps summer shirt, as it's integral to game theory
• Gets to a sum
• Throws in as a bonus
• Tries to find the bottom line
• Trig or calc, to a Brit
• Check entries
• Looking back, charlatan keeps time - it's one of those things one learns in school
• Does sum work?
• Does some digital processing?
• I match teams about school subject