Prompt Title: Advanced Excel skills.

Advanced Excel refers to the use of more sophisticated features and functions of Microsoft Excel, a popular spreadsheet software. Some of the key areas of advanced Excel include:

1. Advanced Formulas: Excel has many built-in formulas that allow users to perform complex calculations quickly and easily. Advanced formulas involve using multiple formulas and functions together to perform complex calculations.

2. PivotTables: PivotTables are a powerful tool for summarizing and analyzing large amounts of data in Excel. They allow users to group and analyze data based on different criteria, and create charts and graphs to visualize the results.

3. Macros: Macros are a series of commands that automate repetitive tasks in Excel. Advanced users can write custom macros to perform complex tasks and automate their workflow.

4. Data Analysis: Excel has a range of built-in tools for data analysis, such as regression analysis, forecasting, and scenario analysis. These tools allow users to make informed decisions based on data trends and projections.

5. Data Visualization: Excel offers many options for visualizing data, such as charts, graphs, and dashboards. Advanced users can create dynamic and interactive visualizations that allow users to explore and analyze data in real-time.

6. Conditional Formatting: Conditional formatting allows users to format cells based on specific criteria, such as highlighting cells that meet a certain threshold or coloring cells based on their values. This can help users identify patterns and trends in their data more easily.

Overall, advanced Excel skills can help users work more efficiently and effectively with large amounts of data, perform complex calculations, and make informed decisions based on data analysis.