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  2. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    Spreadsheet. A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form. [ 1][ 2][ 3] Spreadsheets were developed as computerized analogs of paper accounting worksheets. [ 4] The program operates on data entered in cells of a table.

  3. List of spreadsheet software - Wikipedia

    en.wikipedia.org/wiki/List_of_spreadsheet_software

    It supports multiple tabs, VBA macro and PDF converting. [9] Lotus SmartSuite Lotus 123 – for MS Windows. In its MS-DOS (character cell) version, widely considered to be responsible for the explosion of popularity of spreadsheets during the 80s and early 90s. [citation needed] Microsoft Office Excel – for MS Windows and Apple Macintosh. The ...

  4. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS. It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA). Excel forms part of the Microsoft 365 suite of software.

  5. Cooling load temperature difference calculation method ...

    en.wikipedia.org/wiki/Cooling_load_temperature...

    The equations for the use of the data retrieved from these tables are very simple. Q= heat gain, usually heat gain per unit time. A= surface area. U= Overall heat transfer coefficient. CLTD= cooling load temperature difference. SCL= solar cooling load factor. CLF= cooling load factor. SC= shading coefficient.

  6. Pivot table - Wikipedia

    en.wikipedia.org/wiki/Pivot_table

    A pivot table is a table of values which are aggregations of groups of individual values from a more extensive table (such as from a database, spreadsheet, or business intelligence program) within one or more discrete categories. The aggregations or summaries of the groups of the individual terms might include sums, averages, counts, or other ...

  7. Origin (data analysis software) - Wikipedia

    en.wikipedia.org/wiki/Origin_(data_analysis...

    Origin (data analysis software) English, German, Chinese and Japanese. Origin is a proprietary computer program for interactive scientific graphing and data analysis. It is produced by OriginLab Corporation, and runs on Microsoft Windows. It has inspired several platform-independent open-source clones and alternatives like LabPlot and SciDAVis .

  8. Software development effort estimation - Wikipedia

    en.wikipedia.org/wiki/Software_development...

    In software development, effort estimation is the process of predicting the most realistic amount of effort (expressed in terms of person-hours or money) required to develop or maintain software based on incomplete, uncertain and noisy input. Effort estimates may be used as input to project plans, iteration plans, budgets, investment analyses ...

  9. Date and time notation in the United States - Wikipedia

    en.wikipedia.org/wiki/Date_and_time_notation_in...

    In traditional American usage, dates are written in the month–day–year order (e.g. August 18, 2024) with a comma before and after the year if it is not at the end of a sentence [ 2] and time in 12-hour notation (12:22 am). International date and time formats typically follow the ISO 8601 format (2024-08-18) for all-numeric dates, [ 3] write ...