This is a problem that occurs once a while in Excel: Some objects are not showing. Most often, images or charts are not showing. Here are the possible reasons if charts, objects or images are missing and how to get them back!
Have you ever seen these tiny graphs within cells and want to use them too? They are called Sparklines and inserting them is quite simple:
Once your calculations are done, you might want to show your results in charts. Charts are a good way of getting a feeling of the values and leading to conclusions.