What is Zoster Vaccine Live (Shingles Vaccine), and how does it work (mechanism of action)? Zoster vaccine contains live, attenuated (weakened) varicella-zoster virus (VZV). Varicella-zoster causes chickenpox and then becomes dormant in nerves.
To make the 2013 exam more helpful, we've replaced individual tasks with comprehensive, project-based testing. This live-in-the-application environment confirms that certified individuals have demonstrated the ability to complete a realistic Microsoft Office Specialist Excel 2013 project.
How to enter basic formulas and calculations in Excel. If you're learning Excel, formulas are where the real magic begins. Formulas allow you to perform calculations on data in your spreadsheet. Simple Excel formulas allow you to add up, subtract, multiply, divide and average one or more numbers in your spreadsheet.