Microsoft Office Excel -2007

Introduction
Microsoft Corporation is the biggest developer and publisher of software for the personal computer. Microsoft developed the MS-DOS Operating System for the personal IBM PC and later Windows together with a range of application software .Beside windows operating system, Microsoft Corporation developed Microsoft Office .It is a package of most useful and essential software. Microsoft Excel is also an application of this package .It is the most useful program which allows calculation to be carried out on several columns and rows .Excel provides a spread sheet for data entry which is as a wide computer stationary. There are many types of spreadsheet program available in computer but the Excel is most performed and popular .It is specially used to solve the calculation problems .We can create Home Budget ,Register ,and Ledger ,student 's Mark sheet , Trade bill ,Population chart ,Balance sheet and many more . We can develop the personalized formulae for calculation problems. The latest version of Excel is MS -Excel 2007 XP .It has included a very new and Advance features.
1.1. How to Start
Process:
Ø Click on start
Ø All programs
Ø Microsoft Office
Ø Microsoft Office Excel 2007 Or
Ø Click on start
Ø Run
Ø Type Excel
Ø Press Enter Key on Keyboard.
(Now you can see the screen of the MS-Excel XP)
What are work book and worksheet?
a) Work Book :
Works are the collection of worksheet .Generally there are default 3 sheets. Sheets1, Sheet 2, Sheet 3
b) Work sheet :
A single sheet of work sheet, a single worksheet hold greater amount of data.
Some rules
a. "=" This sign is necessary before formula.
b. "+" For adding
c. "-" For subtract
d. "*" For Multiply
e. "/" For Divide
f. ":" For Define
g. <,>,% Less than , greater then , percentage