EXCEL
Introduction
MICROSOFT EXCEL is spreadsheet. It's used to make calculations, create chart and drawing etc, A EXCEL document is named workbook and extension of this file is .xls. Workbook contains default a three worksheets. Minimum number of a worksheets in a Workbook is one (1).
Worksheet contains a columns and rows. The intersection of a row and a column is called a cell 
.
Data is entered in the cell.
Data types:
- NUMERIC/
- TEXT/
- DATA and TIME
- LOGICAL VALUE
A EXCEL button in the Task bar appears when the Excel window is opened 
. The Excel button will disappear when the Excel window is closed.
