Keeping track of grocery inventory/purchases and use it to decide what they need to purchase. Keeping track of kilometers driven, L/100km, etc. for a car can predict when the next maintenance will be due and budget accordingly. Keeping track of golf statistics for example can help to diagnose problems and improve one's game. Keeping track of cost of eating out at restaurants. Find a data set to keep track of for one month, it can be from the examples below or you can choose your own topic. 1. Collect three different data points, location (restaurant), totals (dollar value of eating out), tips left (variance between restaurant styles) 2. Use the SUM function (totals spent), use the COUNTIF function (restaurant name or type), use the IF function (size of tips left) 3. Provide two graphics for visual representation of your data: pie chart, line chart, bar graph 4. Analyze the data from a personal perspective; any habits to change, potential savings, potential efficiencies, better time management, using similar tools in different facets.