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Each cell may contain either numeric or text data, or the results of formulas that automatically calculate and display a value based on the contents of other cells. The term spreadsheet may also refer to one such electronic document. [5] [6] [7] Spreadsheet users can adjust any stored value and observe the effects on calculated values.
Excel offers many user interface tweaks over the earliest electronic spreadsheets; however, the essence remains the same as in the original spreadsheet software, VisiCalc: the program displays cells organized in rows and columns, and each cell may contain data or a formula, with relative or absolute references to other cells.
Was one of the big three spreadsheets (the others being Lotus 123 and Excel). EasyOffice EasySpreadsheet – for MS Windows. No longer freeware, this suite aims to be more user friendly than competitors. Framework – for MS Windows. Historical office suite still available and supported. It includes a spreadsheet.
Excel's storage of numbers in binary format also affects its accuracy. [3] To illustrate, the lower figure tabulates the simple addition 1 + x − 1 for several values of x. All the values of x begin at the 15 th decimal, so Excel must take them into account. Before calculating the sum 1 + x, Excel first approximates x as a binary number
Computers excel at automatically typesetting and correcting documents. [7] Character-by-character, computer-aided phototypesetting was, in turn, rapidly rendered obsolete in the 1980s by fully digital systems employing a raster image processor to render an entire page to a single high-resolution digital image, now known as imagesetting.
At this time, automatic forwarding of email isn't offered, however individual emails can be forwarded one at a time. 1. Open an email message. 2. On the top of the email, click the Forward icon. 3. Enter the email address you want the message sent to. 4. Click Send.
A header to identify spreadsheet type and creator. Must be first record in the file. Record type: ID; Mandatory fields: P program file creator possible creators include: MP (Multiplan) XL (Excel) Possible fields: N If present, file uses ;N style cell protection If absent, file uses ;P style cell protection E If present, NE records are redundant
VisiCalc is widely credited for fueling the rapid growth of the personal computer industry. Instead of doing financial projections with manually calculated spreadsheets, and having to recalculate with every single cell in the sheet, VisiCalc allowed the user to change any cell, and have the entire sheet automatically recalculated.