The difference is huge.
You can not store or manipulate data using a calculator in any way that compares with the functionality of Excel. If you use Excel and experiment (and read the help files) with the uses it can be put to you will quickly start to appreciate the difference.
Charts in Powerpoint need numbers to actually chart. These values are shown on a spreadsheet which automatically opens when a chart is being created.
a chart
pie chart
spreadsheet
Actually, within Excel you must have the spreadsheet prior to creating a chart. But, the advantage to creating the chart is that it gives the viewer more of a visual story of what is occurring, instead of just a list of data or numbers.
You use charts.
bar chart and pie chart
The original spreadsheet, or you can get the chart to have a data table attached to it when you are creating it.
In a Microsoft Excel spreadsheet, they are usually referred to as charts. A chart is a graphical representation of data, in which the data is represented by symbols, such as:bars in a bar chartlines in a line chartslices in a pie chart
The combination of elements in a spreadsheet chart is called a chart or graph. It visually represents data from the spreadsheet in a graphical format, making it easier to interpret and analyze trends and relationships.
A spreadsheet does not show a pictorial form, but you can use the data in a spreadsheet to generate a chart, which will show a picture representing the data.
caus it just can