David Nettleton, is an FDA Compliance Specialist for 21 CFR Part 11, HIPAA, and Computer System Validation. His latest book is "Risk Based Software Validation - Ten easy Steps" that relates to the development, purchase, installation, operation and maintenance of computerized systems used in regulated applications. He specializes in performing gap analysis, remediation plans, SOP development, vendor audits, training, and project management. He has completed more than 185 mission critical software validation projects.
An Excel formula is an equation or calculation that is stored in a worksheet cell. A formula enables you to perform simple or complex calculations on numbers. So think of any scenario that involves addition, subtraction, division, or multiplication and that's where you'd use a formula.