Lets learn basic things about MS- excel. Very first question, What is it? Ms-Excel is a spreadsheet program developed by Microsoft.Using this we can manipulate, format or calculate various arithmetic functions on data arranged in columns and rows.It looks like below: MS Excel basically consists of rows and columns. Rows : Rows consists of horizontal lines, two parallel horizontal lines make a row as shown in fig below: Here first row is selected. Number 1 represent row number 1 and similarly each number represents respective row number. Columns: Columns consists of vertical lines, two parallel vertical lines make a column as shown in fig below: Each column is identified by a different alphabet as first column is marked as A. Cell : A cell is a rectangular box which occurs as the result of intersections of rows and columns as shown below: How to perform various arithmetic...