Introduction
When you have a list of numbers and want to see totals, averages, or counts, value fields and aggregation help you do that quickly. They let you summarize data in tables without writing formulas.
When you want to see the total sales for each product in a list.
When you need to count how many orders were made by each customer.
When you want to find the average score of students in different classes.
When you want to quickly sum expenses by category in a budget.
When you want to see the maximum or minimum value in a group of data.