Spreadsheet



noun
1.
Accounting. a worksheet that is arranged in the manner of a mathematical matrix and contains a multicolumn analysis of related entries for easy reference on a single sheet.
2.
Computers.

a type of software that offers the user a visual display of a simulated multicolumn worksheet and the means of using it especially for financial plans and budgets.
a single document created with this software.

noun
1.
a computer program that allows easy entry and manipulation of figures, equations, and text, used esp for financial planning and budgeting

spreadsheet definition

Table of data arranged in columns and rows often used in business and financial applications. Spreadsheet software programs are widely used computer applications that allow the user to organize large amounts of data.
application, tool
(Or rarely “worksheet”) A type of application program which manipulates numerical and string data in rows and columns of cells. The value in a cell can be calculated from a formula which can involve other cells. A value is recalculated automatically whenever a value on which it depends changes. Different cells may be displayed with different formats.
Some spreadsheet support three-dimensional matrices and cyclic references which lead to iterative calculation.
An essential feature of a spreadsheet is the copy function (often using drag-and-drop). A rectangular area may be copied to another which is a multiple of its size. References between cells may be either absolute or relative in either their horizontal or vertical index. All copies of an absolute reference will refer to the same row, column or cell whereas a relative reference refers to a cell with a given offset from the current cell.
Many spreadsheets have a “What-if” feature. The user gives desired end conditions and assigns several input cells to be automatically varied. An area of the spreadsheet is assigned to show the result of various combinations of input values.
Spreadsheets usually incorporate a macro language, which enables third-party writing of worksheet applications for commercial purposes.
In the 1970s, a screen editor based calculation program called Visi-Calc was introduced. It was probably the first commercial spreadsheet program. Soon Lotus Development Corporation released the more sophisticated Lotus 1-2-3. Clones appeared, (for example VP-Planner from Paperback Software with CGA graphics, Quattro from Borland) but Lotus maintained its position with world-wide marketing and support – and lawyers! For example, Borland was forced to abandon its Lotus-like pop-up menu.
While still developing 1-2-3, Lotus introduced Symphony, which had simultaneously active windows for the spreadsheet, graphs and a word processor.
Microsoft produced MultiPlan for the Macintosh, which was followed by Excel for Macintosh, long before Microsoft Windows was developed.
When Microsoft Windows arrived Lotus was still producing the text-based 1-2-3 and Symphony. Meanwhile, Microsoft launched its Excel spreadsheet with interactive graphics, graphic charcters, mouse support and cut-and-paste to and from other Windows applications. To compete with Windows spreadsheets, Lotus launched its Allways add-on for 1-2-3 – a post-processor that produced Windows-quality graphic characters on screen and printer. The release of Lotus 1-2-3 for Windows was late, slow and buggy.
Today, Microsoft, Lotus, Borland and many other companies offer Windows-based spreadsheet programs.
The main end-users of spreadsheets are business and science.
Spreadsheets are an example of a non-algorithmic programming language.
[Dates?]
(1995-03-28)

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