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When a cell contains a formula, it often contains references to other cells. Such a cell reference is a type of variable. Its value is the value of the referenced cell or some derivation of it. If that cell in turn references other cells, the value depends on the values of those.
Although Excel nominally works with 8-byte numbers by default, VBA has a variety of data types. The Double data type is 8 bytes, the Integer data type is 2 bytes, and the general purpose 16 byte Variant data type can be converted to a 12 byte Decimal data type using the VBA conversion function CDec. [12]
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.
Data is manipulated using formulas, which are placed in other cells in the same sheet and output their results back into the formula cell's display. The rest of the sheet is "sparse", and currently unused. [7] Sheets often grow very complex with input data, intermediate values from formulas, and output areas, separated by blank areas.
A formula is often implicitly provided in the form of a computer instruction such as. Degrees Celsius = (5/9)*(Degrees Fahrenheit - 32) In computer spreadsheet software, a formula indicating how to compute the value of a cell, say A3, could be written as =A1+A2. where A1 and A2 refer to other cells (column A, row 1 or 2) within the spreadsheet.
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This virtual calculator provides a simple way to create formulas for cells throughout the Excel spreadsheet. [5] Autocomplete Excel can predict a word or phrase that the user wants to type in without the user actually typing it in completely. [5] Other improvements. Euro can now be used as a currency [5] Font menu shows each font in their ...
Data type validation is customarily carried out on one or more simple data fields. The simplest kind of data type validation verifies that the individual characters provided through user input are consistent with the expected characters of one or more known primitive data types as defined in a programming language or data storage and retrieval ...