A spreadsheet is a sheet consisting of rows and columns which intersect with each other to form cell. Data are entered in each cell for calculation, storage or manipulation. Excel is collection of electronic spreadsheets
A spreadsheet is an electronic document formed by the combination of rows and columns marked with a grid. Excel is a matrix and powerful platform and a massive program.
Measures is amongst the most important and highly powerful features in Power Pivot. Measures are actually the calculations or formulas you add to the Pivot Table. Below is an example of it.