COMPUTER

TOPIC: Introduction to Spreadsheets

OBJECTIVES:1. Describe an electronic

spreadsheet;2. Compare an electronic

spreadsheet with a spreadsheet program;

3. Discuss the history of the electronic spreadsheet.

SPREADSHEET is a document that contains rows and columns of text and numbers.

LEDGER is a book of spreadsheets containing accounts to which debits and credits are posted from books of original entry.

ELECTRONIC SPREADSHEET is a computerized version of the accountant’s paper spreadsheet.

SPREADSHEET PROGRAM is an application that helps the user to create spreadsheets commonly used for budgets, forecasting, and other finance-related tasks.

A page organized into rows and columns appearing onscreen and used for constructing a single table is called a WORKSHEET.

A file containing a number of related worksheets is called a WORKBOOK.

HISTORY1978 – The world’s first

electronic spreadsheet program, VisiCalc, was invented.

Daniel Bricklin is considered to be the father of electronic spreadsheet.

HISTORY1979 – VisiCalc was released to

the public by Fylstra’s company, Personal Software (later renamed VisiCorp). It became the first computer spreadsheet program and the first killer application for PCs. (killer means, strikingly impressive or effective)

HISTORY1980 – SuperCalc, the first

spreadsheet that ran on computers using the CP/M (Control Program/Monitor) operating system, was introduced. The DIF (data interchange format) was developed. This format allowed spreadsheet data to be shared and imported into other programs.

HISTORY1981 – Multiplan, the first

spreadsheet to handle multiple spreadsheets simultaneously, was released by Microsoft.

Context MBA, the first spreadsheet program that handled five tasks (spreadsheets, graphs, databases, word processing, and telecommunications), was invented and released by Context Management Systems.

HISTORY1983 – 1-2-3, the spreadsheet

program that can handle three tasks (spreadsheets, graphs, and databases), was released by Lotus Development. Lisa Calc, the first spreadsheet program to use a mouse, was released by Apple Computer, Inc.

HISTORY1985 – Excel, the spreadsheet

program that can handle three tasks (spreadsheets, graphs, and databases) in a graphical environment, was released by Microsoft Corp. Excel can run on both PC and Mac.

HISTORY1987 – Quattro Pro, the

spreadsheet program that has the combined features of 1-2-3 and Excel and runs in a graphical environment, was released by Borland. Newer versions of Quattro Pro are now being developed by Corel Corp.

HISTORY1987 – Up to Present, new

spreadsheet programs and updated versions of the old ones have flooded the market.

“I’m not rich because I invented VisiCalc, but I feel that I’ve made a change in the world. That’s a satisfaction money can’t buy.” Dan Bricklin

THANK YOU