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1. Parts of the computer

2. :software Microsoft Excel (full name Microsoft Office Excel) is a spreadsheet-application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables and a macro programming language called VBA (Visual Basic for Applications). It has been the most widely used spreadsheet application available for these platforms since version 5 in 1993[citation needed]. Excel is part of Microsoft Office. :Functions of Microsoft Excel Built-in functions in Excel can be used to perform calculations on spreadsheet data. While most people use only those functions specific to their needs, there are many

3. only those functions specific to their needs, there are many functions such as SUM, COUNT, AVERAGE, MAX, MIN, and the IF function that just about everyone uses. Here you will find step by step tutorials, tips and shortcuts on how to use the common and less common functions available in Excel. :software Mozilla Firefox is a free and open sourceweb browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. Firefox had 22.51% of the recorded usage share of web browsers as of May 2009[update], making it the second most popular browser in terms of current use worldwide, after Microsoft's Internet Explorer.[4]

4. To display web pages, Firefox uses the Geckolayout engine, which implements most current web standards in addition to several features which are intended to anticipate likely additions to the standards.[5] FiLatest Firefox features[6] include tabbed browsing, spell checking, incremental find, live bookmarking, a download manager, private browsing, location-aware browsing (aka "geolocation") based exclusively on a Google service[7] and an integrated search system that uses Google by default in most localizations. Functions can be added through add-ons, created by third-party developers,[8] of which there is a wide selection, a feature that has attracted many of Firefox's users.

5. firefox runs on various versions of Mac OS X, Microsoft Windows, Linux, and many other Unix-likeoperating systems. Its current stable release is version 3.5.1, released on July 16, 2009[update].[9] Firefox's source code is free software, released under a tri-licenseGNU GPL/GNU LGPL/MPL.[10] Official versions are distributed under the terms of a proprietary EULA.[11][12]