A spreadsheet allows you to compare information with other information, and display the result easily and quickly.
This includes display of numbers, data, text, timelines and the relationships between sets of these: even calculating and displaying relationships between different kinds of information.
The basics of a spreadsheet...
The spreadsheet is made up of thousands of little cells, all arranged like bricks in a wall.
Each cell can be accessed and filled with something. That "something" would be either text, numberrs, or the description of a relationship between the contents of other cells or arithmetic numbers.
Each cell is capable of making calculations, or of storing text, or of storing numbers. Each cell will only do one of these three things.
Like an artist with a paintbrush, the user can then look over the whole contents of the spreadsheet, and can use previously un-used cells to calculate and display relationships between other cells that already contain information.
That word "display" is a key one. The display can be the result of a calculation or equation, a graph of a result, a logical decision ("yes" or "no"; "greater" or "lesser"; "earlier" or "later" etc.)
By use of "hyperlinking" it can even call someone's attention to a new situation or a problem. All of this activity is created by the user.
allows you to use spreadsheets for information, this includes +-x/ etc
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Office Information System (OIS)..
Together with Bob Frankston, Dan Bricklin helped create VisiCalc, the first electronic spreadsheet program.
The very first spreadsheet was developed (or invented) by Dan Bricklin and Bob Frankston called VisiCalc The very first spreadsheet was developed (or invented) by Dan Bricklin and Bob Frankston called VisiCalc HITLER
spreadsheet
The first spreadsheet program created for the Apple computer is called VisiCalc. It was released in 1979 and was an instant success becoming the first commercially successful software program. VisiCalc was the first spreadsheet program to be used on a personal computer and was a major factor in the success of the Apple II. VisiCalc allowed users to create calculations and formulas as well as to store and manipulate data in tabular form. It was the first program of its kind to be available for a personal computer and was one of the earliest examples of the use of user-friendly interface and graphical display. VisiCalc was revolutionary for its time and was a major factor in the success of the Apple II computer. It made it much easier for users to work with data and calculations allowing them to create and manipulate spreadsheets quickly and easily. It also made it much easier to store and manage data allowing users to keep track of large amounts of information. VisiCalc was a major step forward in the use of computers to manage and manipulate data and it paved the way for the development of more powerful spreadsheet programs.