Introduction
Sparklines are tiny charts that fit inside a single cell. They help you quickly see trends or patterns in your data without making a full chart. This is useful when you want a simple visual summary next to your numbers.
When you want to show sales trends for each product in a small space next to the sales numbers.
When you need to compare monthly expenses visually across different categories in a budget sheet.
When you want to highlight stock price changes over time in a financial report.
When you want to add a quick visual trend line next to student test scores in a gradebook.
When you want to see temperature changes over days in a weather data table.